GPT 5 Background Everywhere
Do you like the GPT 5 splash screen background and wish it persisted in the chats? Well here you go!
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Contrast Slider
Adjust webpage contrast with a slider and color assist mode with red / green / blue sliders. Autosaves preferences by URL.
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CloseAfter
Close any tab automatically after a set amount of time
Tempo Tap
Detect music BPM by tapping on screen or spacebar key
Formula Calc
Type math expressions and get instant evaluated results
TabGrave
Browse and restore recently closed tabs with title search
Streak Keeper
Log habits each day and watch your streaks grow
Date Planner
Monthly calendar with per-day notes and event markers
Reloj Zona Horaria
Floating clock widget with up to two time zones. Available in English (US/UK) and Spanish.
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FocusBorder
Add a visible focus border to all interactive elements for accessibility
ASCII Art
Convert text to ASCII art with multiple font styles
VisionFilter
Apply color vision deficiency filters to any page to test accessibility
JarInspect
Cookie jar inspector — view, filter and remove cookies for any domain
Pointer Swap
Change the mouse pointer appearance on any website
StorageView
Inspect localStorage and sessionStorage of the current tab
Clock Max - Alarm, Timer, etc.
Alarm, World Clock, Stopwatch, Multi-timer, Task List (Mobile Clock Enhanced) (Super simple & practical 5-in-1 Top Recommended Pick)
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Request Diff
Make two requests to the same URL with a delay and visualise the response diff.
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World Time Widget
Floating clock widget with up to two time zones. Available in English (US/UK) and Spanish.
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PageStats
Full text statistics for any page — words, chars, paragraphs, read time
FocusClock
Focus clock with Pomodoro cycles and desktop notifications
TermMark
Mark search keywords on any page you land on from search
PomoDash
Pomodoro productivity timer with work/break cycles in the toolbar
Youtube Back to Red
A Firefox extension to change the colors of YouTube/Youtube Music/Youtube Studio all back to red.
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