tools.mathspp.com colophon

Add workout settings tool and shared navigation (#55)

• Rebuilt the workouts Cloudflare Worker to follow the provided REST specification with bearer authentication, validated exercise/template/session endpoints, session indexing, and automatic personal-record updates.
• Added a workout template manager tool that stores API credentials, lists templates, previews details, and creates or deletes templates through the worker API.
• Introduced new client tools for exercise administration, session logging, session history viewing, and personal-record editing to operate against the updated API.
• Updated the session viewer to capture API base URLs and bearer tokens, refresh templates, step through session history, and choose comparison sessions using the new navigation and settings controls.
• Rendered each session with metadata chips, session notes, exercise blocks, and set-by-set delta comparisons to mirror the prior Workout History capabilities on top of the new API responses.
• Rebuilt the workout template manager UI with stored API settings, template listing and previewing, time estimates, deletion controls, and structured exercise details powered by the Cloudflare Worker API.
• Enhanced template creation with reorderable exercise blocks, AMRAP/min-max inputs, validation, and refresh after creation to mirror legacy manager capabilities on the new API.
• Updated documentation to note that the refreshed template manager replaces the legacy Workout Manager tool.
• Documented that the modern session viewer replaces the old Workout History tool and removed the legacy files accordingly.
• add a dedicated Workout Settings tool to capture the API base URL and bearer token for all workout utilities
• remove per-tool authentication inputs in the workout tools while reusing stored credentials (with legacy key fallback) and add consistent cross-links
• embed a shared navigation card across the workout suite for quick access between tools

Codex Task

Use unified workout API settings (#56)

• Save and clear the workout API base URL and bearer token only under the shared keys managed by the Workout Settings tool
• Update all workout tools to read the unified settings without legacy key fallbacks, ensuring they depend on Workout Settings for configuration

Codex Task

Add shared header and footer to workout exercise tools (#59)

• add the standard tools header and footer to the workout exercise manager page
• add the standard tools header and footer to the workout exercise records page
• align introductory text styling with the shared template styles

Codex Task

Prune workout exercise records and guard submissions (#61)

• prevent manual exercise record submissions when an existing record dominates or matches the new one
• prune exercise record lists in the worker whenever records are updated, keeping only the non-dominated frontier
• document the pruning requirement explicitly in the worker specification

Codex Task

Tweak exercise record form behavior (#62)

• prevent the exercise dropdown from stretching to fill its grid row
• reset record inputs when changing exercises
• simplify record form labels

Codex Task

Adjust workout record layout and controls (#64)

• reorganize the records card with inline dropdown/actions and viewing label
• show exercise display names only and fetch records via explicit button

Codex Task

Improve records card layout (#65)

• realign the Records card header area so the exercise dropdown sits left and the action buttons sit right without wrapping labels
• wrap the records table in a dedicated row and add a caption that updates to show when records exist or are missing for the selected exercise

Codex Task

Improve add record layout (#66)

• restructure the Add record card into dedicated rows for heading, inputs/actions, and status
• style the form row so weight, reps, and Add record button align neatly while remaining responsive
• adjust button labeling to better reflect the action

Codex Task

Add autocomplete datalist for exercise selection (#67)

• replace the exercise dropdown with a text input backed by a datalist for selection or typing
• populate the datalist with alphabetised exercise names and retain display names for captions
• resolve typed exercises when loading or adding records while keeping status updates

Codex Task

Improve exercise selection input (#85)

• add a helper-documented exercise input paired with a datalist dropdown
• populate both autocomplete options and a browseable select list from exercises
• keep the manual browse select in sync with the main exercise input for record actions

Codex Task

Add testimonial card image generator tool (#80)

• add a testimonial card generator UI that supports text highlights and avatar previews
• allow rendering the preview to a transparent PNG sized for social platforms and download with a descriptive filename
• document the tool purpose and capabilities

Codex Task

Remove redundant card styling (#81)

• made the UI look more consistent with other tools
• remove inline testimonial card styles already covered by the shared stylesheet

Codex Task

Remove html-to-image attribution text (#82)

• simplify the UI to have a single “download” button that renders and downloads the image

Codex Task

Fix script tag for dependency.

Revert inline testimonial changes but keep https for html-to-image (#83)

• stack UI cards vertically

Codex Task

Make testimonial preview responsive (#84)

• adjust testimonial preview surface to respect responsive widths while keeping the social-media aspect ratio
• make the inner card width clamp so it scales down on narrow screens

Codex Task

Add eRepublik air damage calculator (#68)

• add standalone eRepublik air damage calculator tool following repository template
• implement responsive form for energy, rank, weapon, protector level, boosters, and bonuses
• display live damage totals with breakdown of calculation factors

Codex Task

Use hits label in damage breakdown (#69)

• replaced the rank options with the full official eRepublik air ranks, shown in descending order with Air Commodore selected by default.
• updated the damage calculation to use each rank’s official influence percentage and reflect it in the breakdown.
• updated weapon damage multipliers so each weapon tier (none through Q5) applies the correct official bonus and integrates into the damage calculation.
• update the damage breakdown to describe the hit count instead of energy chunks

Codex Task

Fix air rank damage multiplier (#70)

• fix computation of damage increase by rank

Codex Task

Tweak rank formula.

Add manual energy status indicator for consumables card (#71)

• add a status banner to the consumables card that communicates when manual energy entry disables consumable inputs
• show a warning style when energy is set directly and clear consumable inputs to reflect that state

Codex Task

Update UI.

Add influence calculations to air damage tool (#72)

Add rank indicator and booster selection (#73)

• add rank readout below the damage indicator that scales from 10% of damage with an optional booster
• provide a rank booster dropdown alongside other multipliers in the calculator form
• compute boosted rank totals while keeping influence and damage calculations intact

Codex Task

Swap influence and rank outputs (#75)

• swap the influence and rank sections in the result display so influence appears before rank
• use native title tooltips for formulas

Codex Task

Persist rank and level 100 selections (#78)

• add safe localStorage helpers to persist user rank and level 100 selections
• load saved rank and level 100 preferences on page load to override defaults
• save updated values back to storage when the user changes their selections

Codex Task

Add dynamic formula tooltips for air damage results (#79)

• replace inline formula breakdowns with dynamic tooltips tied to the latest calculations
• add a popover tooltip triggered by the question mark icon for readable formula details
• keep tooltips updated on each input change for final damage, influence, and rank points

Codex Task

Update air damage calculator.

More compact UI.

Add markdown preview tool (#76)

• add a markdown drafting tool with preview/edit toggle using marked and DOMPurify
• enable permalink sharing via base64-encoded query strings and clipboard copy helpers
• provide quick markdown copying and status feedback

Codex Task

Adjust markdown preview toolbar layout (#77)

• Move the markdown preview controls to the top of the editor area
• Keep the control buttons on a single responsive row with smaller sizing on small screens

Codex Task

Add Python pastebin tool (#74)

• add a Python pastebin tool with a CodeMirror editor for syntax highlighting and line numbers
• support copying permalinks by base64-encoding the editor content into the URL
• add a copy code shortcut for quickly sending the full snippet to the clipboard

Codex Task

Add workout settings tool and shared navigation (#55)

• Rebuilt the workouts Cloudflare Worker to follow the provided REST specification with bearer authentication, validated exercise/template/session endpoints, session indexing, and automatic personal-record updates.
• Added a workout template manager tool that stores API credentials, lists templates, previews details, and creates or deletes templates through the worker API.
• Introduced new client tools for exercise administration, session logging, session history viewing, and personal-record editing to operate against the updated API.
• Updated the session viewer to capture API base URLs and bearer tokens, refresh templates, step through session history, and choose comparison sessions using the new navigation and settings controls.
• Rendered each session with metadata chips, session notes, exercise blocks, and set-by-set delta comparisons to mirror the prior Workout History capabilities on top of the new API responses.
• Rebuilt the workout template manager UI with stored API settings, template listing and previewing, time estimates, deletion controls, and structured exercise details powered by the Cloudflare Worker API.
• Enhanced template creation with reorderable exercise blocks, AMRAP/min-max inputs, validation, and refresh after creation to mirror legacy manager capabilities on the new API.
• Updated documentation to note that the refreshed template manager replaces the legacy Workout Manager tool.
• Documented that the modern session viewer replaces the old Workout History tool and removed the legacy files accordingly.
• add a dedicated Workout Settings tool to capture the API base URL and bearer token for all workout utilities
• remove per-tool authentication inputs in the workout tools while reusing stored credentials (with legacy key fallback) and add consistent cross-links
• embed a shared navigation card across the workout suite for quick access between tools

Codex Task

Use unified workout API settings (#56)

• Save and clear the workout API base URL and bearer token only under the shared keys managed by the Workout Settings tool
• Update all workout tools to read the unified settings without legacy key fallbacks, ensuring they depend on Workout Settings for configuration

Codex Task

Auto-generate workout exercise slugs (#57)

• derive exercise slugs automatically from the provided exercise name and display the generated slug preview
• ensure the API receives the slug plus the original exercise name as the display value, with input validation
• update documentation to describe the automatic slug creation

Codex Task

Improve exercise list layout (#58)

• make exercise list items more compact
• sort exercises alphabetically by display name and hide slugs
• update delete messaging to reference display names

Codex Task

Add shared header and footer to workout exercise tools (#59)

• add the standard tools header and footer to the workout exercise manager page
• add the standard tools header and footer to the workout exercise records page
• align introductory text styling with the shared template styles

Codex Task

Tighten exercise list spacing (#63)

• reduce spacing and padding in the exercise list to fit many items comfortably
• shrink and soften delete buttons to be less intrusive while keeping clarity

Codex Task

Add workout settings tool and shared navigation (#55)

• Rebuilt the workouts Cloudflare Worker to follow the provided REST specification with bearer authentication, validated exercise/template/session endpoints, session indexing, and automatic personal-record updates.
• Added a workout template manager tool that stores API credentials, lists templates, previews details, and creates or deletes templates through the worker API.
• Introduced new client tools for exercise administration, session logging, session history viewing, and personal-record editing to operate against the updated API.
• Updated the session viewer to capture API base URLs and bearer tokens, refresh templates, step through session history, and choose comparison sessions using the new navigation and settings controls.
• Rendered each session with metadata chips, session notes, exercise blocks, and set-by-set delta comparisons to mirror the prior Workout History capabilities on top of the new API responses.
• Rebuilt the workout template manager UI with stored API settings, template listing and previewing, time estimates, deletion controls, and structured exercise details powered by the Cloudflare Worker API.
• Enhanced template creation with reorderable exercise blocks, AMRAP/min-max inputs, validation, and refresh after creation to mirror legacy manager capabilities on the new API.
• Updated documentation to note that the refreshed template manager replaces the legacy Workout Manager tool.
• Documented that the modern session viewer replaces the old Workout History tool and removed the legacy files accordingly.
• add a dedicated Workout Settings tool to capture the API base URL and bearer token for all workout utilities
• remove per-tool authentication inputs in the workout tools while reusing stored credentials (with legacy key fallback) and add consistent cross-links
• embed a shared navigation card across the workout suite for quick access between tools

Codex Task

Use unified workout API settings (#56)

• Save and clear the workout API base URL and bearer token only under the shared keys managed by the Workout Settings tool
• Update all workout tools to read the unified settings without legacy key fallbacks, ensuring they depend on Workout Settings for configuration

Codex Task

Add workout settings tool and shared navigation (#55)

• Rebuilt the workouts Cloudflare Worker to follow the provided REST specification with bearer authentication, validated exercise/template/session endpoints, session indexing, and automatic personal-record updates.
• Added a workout template manager tool that stores API credentials, lists templates, previews details, and creates or deletes templates through the worker API.
• Introduced new client tools for exercise administration, session logging, session history viewing, and personal-record editing to operate against the updated API.
• Updated the session viewer to capture API base URLs and bearer tokens, refresh templates, step through session history, and choose comparison sessions using the new navigation and settings controls.
• Rendered each session with metadata chips, session notes, exercise blocks, and set-by-set delta comparisons to mirror the prior Workout History capabilities on top of the new API responses.
• Rebuilt the workout template manager UI with stored API settings, template listing and previewing, time estimates, deletion controls, and structured exercise details powered by the Cloudflare Worker API.
• Enhanced template creation with reorderable exercise blocks, AMRAP/min-max inputs, validation, and refresh after creation to mirror legacy manager capabilities on the new API.
• Updated documentation to note that the refreshed template manager replaces the legacy Workout Manager tool.
• Documented that the modern session viewer replaces the old Workout History tool and removed the legacy files accordingly.
• add a dedicated Workout Settings tool to capture the API base URL and bearer token for all workout utilities
• remove per-tool authentication inputs in the workout tools while reusing stored credentials (with legacy key fallback) and add consistent cross-links
• embed a shared navigation card across the workout suite for quick access between tools

Codex Task

Use unified workout API settings (#56)

• Save and clear the workout API base URL and bearer token only under the shared keys managed by the Workout Settings tool
• Update all workout tools to read the unified settings without legacy key fallbacks, ensuring they depend on Workout Settings for configuration

Codex Task

Add workout settings tool and shared navigation (#55)

• Rebuilt the workouts Cloudflare Worker to follow the provided REST specification with bearer authentication, validated exercise/template/session endpoints, session indexing, and automatic personal-record updates.
• Added a workout template manager tool that stores API credentials, lists templates, previews details, and creates or deletes templates through the worker API.
• Introduced new client tools for exercise administration, session logging, session history viewing, and personal-record editing to operate against the updated API.
• Updated the session viewer to capture API base URLs and bearer tokens, refresh templates, step through session history, and choose comparison sessions using the new navigation and settings controls.
• Rendered each session with metadata chips, session notes, exercise blocks, and set-by-set delta comparisons to mirror the prior Workout History capabilities on top of the new API responses.
• Rebuilt the workout template manager UI with stored API settings, template listing and previewing, time estimates, deletion controls, and structured exercise details powered by the Cloudflare Worker API.
• Enhanced template creation with reorderable exercise blocks, AMRAP/min-max inputs, validation, and refresh after creation to mirror legacy manager capabilities on the new API.
• Updated documentation to note that the refreshed template manager replaces the legacy Workout Manager tool.
• Documented that the modern session viewer replaces the old Workout History tool and removed the legacy files accordingly.
• add a dedicated Workout Settings tool to capture the API base URL and bearer token for all workout utilities
• remove per-tool authentication inputs in the workout tools while reusing stored credentials (with legacy key fallback) and add consistent cross-links
• embed a shared navigation card across the workout suite for quick access between tools

Codex Task

Use unified workout API settings (#56)

• Save and clear the workout API base URL and bearer token only under the shared keys managed by the Workout Settings tool
• Update all workout tools to read the unified settings without legacy key fallbacks, ensuring they depend on Workout Settings for configuration

Codex Task

Add workout settings tool and shared navigation (#55)

• Rebuilt the workouts Cloudflare Worker to follow the provided REST specification with bearer authentication, validated exercise/template/session endpoints, session indexing, and automatic personal-record updates.
• Added a workout template manager tool that stores API credentials, lists templates, previews details, and creates or deletes templates through the worker API.
• Introduced new client tools for exercise administration, session logging, session history viewing, and personal-record editing to operate against the updated API.
• Updated the session viewer to capture API base URLs and bearer tokens, refresh templates, step through session history, and choose comparison sessions using the new navigation and settings controls.
• Rendered each session with metadata chips, session notes, exercise blocks, and set-by-set delta comparisons to mirror the prior Workout History capabilities on top of the new API responses.
• Rebuilt the workout template manager UI with stored API settings, template listing and previewing, time estimates, deletion controls, and structured exercise details powered by the Cloudflare Worker API.
• Enhanced template creation with reorderable exercise blocks, AMRAP/min-max inputs, validation, and refresh after creation to mirror legacy manager capabilities on the new API.
• Updated documentation to note that the refreshed template manager replaces the legacy Workout Manager tool.
• Documented that the modern session viewer replaces the old Workout History tool and removed the legacy files accordingly.
• add a dedicated Workout Settings tool to capture the API base URL and bearer token for all workout utilities
• remove per-tool authentication inputs in the workout tools while reusing stored credentials (with legacy key fallback) and add consistent cross-links
• embed a shared navigation card across the workout suite for quick access between tools

Codex Task

Use unified workout API settings (#56)

• Save and clear the workout API base URL and bearer token only under the shared keys managed by the Workout Settings tool
• Update all workout tools to read the unified settings without legacy key fallbacks, ensuring they depend on Workout Settings for configuration

Codex Task

Add Base64 encoder tool (#39)

• add a standalone Base64 encoder tool with textarea input and encode/clear controls
• display encoded output with clipboard copy button and status updates
• document the tool in b64-encode.docs.md

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Refine CSS colour naming inputs (#49)

• simplify colour input labels and remove extra helper text to tighten form spacing
• add CSS/X11 colour name datalist autocomplete alongside ANSI suggestions
• relabel the CSS name field and keep form rows aligned without extra gap

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add DMARC analyser.

Add shared styling and template for tools

Refine shared stylesheet to match mathspp aesthetic

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add Gumroad link builder tool (#14)

Improve Gumroad link builder inputs (#15)

Tweak form.

Add Gumroad profile product fetcher (#16)

• add a fetch button that loads products from a Gumroad profile and surfaces them in the builder UI
• parse profile pages for product cards to populate a dropdown and sync the selection back into the form

Use Cloudflare worker to fetch Gumroad products.

Update link

Avoid firing requests in quick succession.

Fix Gumroad product select names (#17)

• ensure fetched Gumroad products populate the select option label
• filter out any products missing a slug when building the dropdown

Use worker-served HTML to populate Gumroad products (#19)

• update the Gumroad Cloudflare worker to return cached profile HTML for a username
• adjust the Gumroad link builder to fetch that HTML and extract product links client-side

Codex Task

Simplify Gumroad links tool and remove fetch worker (#20)

• simplify the Gumroad link builder UI to synchronise between username, product id, and product URL without fetching
• remove the gumroad-products Cloudflare Worker and adjust deployment workflow and documentation accordingly

Codex Task

Tweak interface.

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add browser-based image resizer tool (#24)

Summary

• add a new Image Resizer tool that accepts drag-and-drop uploads
• provide quick scale presets and manual width/height controls that stay synced with the original dimensions
• render a live preview and allow downloading the resized PNG output

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add lifting max estimator tool (#25)

Summary

• add a lifting max estimator tool to calculate 1RM using multiple common formulas
• present median-based suggested 1RM with quartile range and per-formula table
• include helper copy and documentation entry

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add tool to pre-fill my testimonial form.

Add shared styling and template for tools

Refine shared stylesheet to match mathspp aesthetic

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Delete Simon's tools.

Sync colour preview backgrounds

Only sync colour picker's background colour with current colour being used.

Improve QR tool input handling and downloads

Adjust QR preview layout for mobile and desktop (#8)

On mobile, the QR code preview will now be shown first and then the form to edit the QR code details.

Avoid normalizing QR hex input

As the user was typing a hex code, e.g., abc, the normalisation would automatically update the input field to #aabbcc, preventing you from writing a hex value from start to finish.

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add social link metadata inspector tool (#10)

Support site-relative URLs in social link inspector (#11)

Route social link preview fetches through Cloudflare worker (#18)

• add a social-link-preview Cloudflare Worker that fetches page HTML, extracts metadata, and returns guideline results
• rework the social link preview frontend to call the worker API and render the returned reports
• document the new worker and hook it into the deployment workflow

Codex Task

Fix metadata report row rendering (#22)

Summary

• render metadata health table cells with DOM APIs instead of innerHTML
• prevent HTML-like guideline text from breaking general and platform reports

Codex Task

Add shareable query support to social preview tool (#23)

Summary

• add a share button that copies a shareable analysis URL and updates the browser history with the analysed link
• restore analyses automatically when visiting with a query parameter and keep share controls in sync

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add URL encoder tool (#40)

• add standalone URL encoder page with input form and encode action
• show encoded output with clipboard copy support in a second card
• document the tool's purpose and usage

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add video to GIF converter tool (#43)

• add a standalone video-to-gif tool using ffmpeg.wasm for in-browser conversion
• allow drag-and-drop uploads, fps/width controls, progress feedback, and downloads using the original filename

Codex Task

Update ffmpeg CDN source (#44)

• switch ffmpeg.wasm loader to the provided cdnjs script with SRI
• align ffmpeg core path to the matching cdnjs version

Codex Task

Fix FFmpeg loading and preview cleanup (#45)

• ensure the FFmpeg core file loads from the correct CDN path so conversions can start
• manage preview object URLs safely so Safari/WebKit no longer throws blob resource errors

Codex Task

Refactor video-to-gif for new FFmpeg API (#46)

• switch the video-to-gif tool to the new class-based FFmpeg API
• load ffmpeg core assets from the updated jsdelivr CDN path and use the new utility helpers

Codex Task

Load FFmpeg util via ESM module (#48)

• load FFmpeg and util packages via ESM imports instead of unavailable UMD CDN bundles
• simplify FFmpeg initialization to use the imported helpers

Codex Task

Fix ffmpeg imports to use cdnjs (#50)

• switch the video-to-gif tool to load @ffmpeg/ffmpeg and utils from the cdnjs ESM distribution instead of the failing jsDelivr +esm endpoint
• reuse the ffmpeg version constant when building the core loader URLs

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Add timezone comparison link generator (#12)

Update luxon

Improve timezone inference and documentation (#13)

Revamp time zone cards for sharing view (#31)

Summary

• Rework the tool into a set of cards including a shared-link preview, base timezone selector, sharing form, and preview table
• Allow changing the detected base timezone with notes about how it was inferred and update shared conversions accordingly
• Keep the comparison table empty until populated and improve shareable link presentation

Codex Task

Improve timezone preview controls (#33)

• remove the shareable link preview card
• move the add-timezone control so new preview rows can be added
• keep the comparison table hidden until zones are added

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task

Delete Simon's tools.

Add word counter tool (#41)

• add a word counter tool with live paragraph, line, word, and character counts
• hide paragraph and line counts until at least two are present
• document the new tool

Codex Task

Add shared header and footer to tool pages (#53)

• add shared site link header and attribution footer to every tool page
• define reusable header and footer styles in the global stylesheet
• captured updated screenshots for each tool page

Codex Task