ThockBoard
Mechanical keyboard sounds for every keystroke. AI Mode reads your mood. 16 sound packs, zero setup.
100% free · no limits · no catch Chrome extensions
Chrome extensions
that just work
Small, useful browser extensions. Free forever, no premium tiers, no nag screens. If you love them, buy me a coffee.
Extensions
Browse extensions
CopyCat
Clipboard history that lives in your browser. Everything you copy is searchable for 30 days. 100% local, no cloud.
CursorFX
Themed cursors for your browser. Neon, laser, pixel art, ink — 12 themes, zero config, pure CSS.
ColorPick
Universal eyedropper. Click any pixel, get HEX, RGB, HSL. History of last 10 colors. Zero config.
FocusPet
A virtual pet that thrives when you focus — and talks to you. Tamagotchi meets productivity, now with on-device AI.
FontBuddy
Resize and swap fonts on any site. Ctrl+Shift+↑/↓ to change size. Dyslexia-friendly font option. Changes are subtle, never break layouts.
PrintFriend
Clean any page for printing. One click strips ads, sidebars, navs — leaves only the article. Print or save as PDF.
QRify
QR code of the current URL with one click. Clean popup, ready to scan. No ads, no shorteners.
GS Tab Switcher
Choose which Greasy Sprocket new-tab extension loads. A clean selector on every new tab.
JSONifier
Auto-detects JSON on .json URLs and formats it beautifully. Syntax highlighting, collapsible nodes, copy button. Like a built-in JSON viewer.
ReadAloud Lite
Select text → right-click → "Read aloud." Uses your browser's built-in voice. No servers, no premium voices, just what Chrome gives you.
TabTitles
Rename any tab temporarily. Distinguish 10 Google Docs, 15 GitHub tabs, 20 Jira tickets. One click, done.
TabSnooze
Snooze tabs for later. Right-click → "Remind me in 30 min / tonight / tomorrow." The tab disappears and reopens at the set time. Zero config, no accounts.
ClickPop
Ripple visual + sound on every click. 4 sound packs, zero setup, works everywhere.
EmojiBar
Type : in any text field to get an emoji picker like Slack/Discord. 600+ emojis, zero config, works everywhere.
FactOrFake
True or false on every new tab. 100 curated facts, streak tracking, card flip reveal. 32KB, no servers.
FormBuddy
Autosaves everything you type in forms. If the page crashes or reloads, restore with one click.
GateKeeper
Mindful intervention before you waste time. A 5-second pause on distracting sites — friction, not force.
PageSniff
Detects page type automatically — article, shop, docs, social, video, form. Shows a badge. Fuses with ScrollFlow.
GS Hub
Manage all your Greasy Sprocket Chrome extensions from one side panel.
QuizTab
Trivia quiz on every new tab. 200 questions, 5 categories, multiple choice. 36KB, no servers.
ReadTime AI
Realistic reading time on any article. Flesch-Kincaid + syllable density + technical terms. No naive word-count.
ToxiFilter
Real-time tone & toxicity analysis next to any text field. On-device ML.
TypeRacer AI
Race the clock on every new tab. 200 curated phrases, WPM tracking, accuracy scoring. No servers, no ML, just typing.
ScrollFlow
Smooth scrolling, custom scrollbars, and scroll tools. 10 themes, zero config, works everywhere.
TabFM
Lo-fi radio in every new tab. 15 ambient soundscapes, Smart Mode, clock, and search — 100% offline.
Text Tools
Convert text instantly — UPPERCASE, lowercase, camelCase, kebab-case, and 9 more. Popup or right-click. Free.
The model
Why free?
Useful tools shouldn't be locked behind paywalls. Every extension is fully featured — no premium tiers, no trial periods, no locked features. If you want to support development, you can buy me a coffee. There's zero pressure.