WPM Test
Test your typing speed in words per minute
Calm Breath
Animated breathing guide with multiple techniques
Preview Link Target
Show a mini preview of the target page text when hovering over links
Resp Headers
View HTTP response headers for current or custom URL
Geo Quiz
Geography quiz testing countries capitals and flags
Hash Scan
Extract all hashtags from the current page with ranking
Cron Build
Build and explain cron expressions visually
Pixel Art
Create 16×16 pixel art with colors and download PNG
Vision Mode
Simulate deuteranopia protanopia tritanopia on any page
Fadify from FadSec Lab
Modify the web with true dark aesthetics and utilities. Currently only for ChatGPT.com
3 users
Multi TZ
Timezone panel showing local and world times side by side
Regex Test
Test regular expressions with live match highlighting
Tomato Timer
25-5 focus timer with long break every four cycles
D2JSP - User Block & Highlight
Block or highlight posts, quotes, and topics by selected users on forums.d2jsp.org.
3 users
Mobile reddit redirect
intended to be used with old reddit redirect add-on redirect old.reddit.com to url ending in /.i attempting to playback v.redd.it video
3 users
Quick Notes Sidebar
A clean, floating sidebar to instantly save notes and highlighted text from any page without switching tabs. Features a rich text editor, search, and trash system.
3 users
Hide Reddit Votes — w/ Positivity Mode™ & Ad Block
Hide Reddit vote count, downvote button, and ads (configurable).
Hashtag Count
Count and rank hashtags found in the current page text
Flash Word
RSVP speed reader shows one word at a time at custom pace
URL Harvest
Harvest and export all URLs from any web page at once
Task Board
Persistent three-column kanban for quick task management
Epoch Tool
Unix epoch timestamp inspector with multi-format output
CSS Vars
Extract and inspect all CSS custom properties on the page
Colblind Sim
Apply colour blindness filters to the page for a11y check
