Free extensions for X, Facebook and everyday browsing, for Chrome and Firefox. Download any one directly and install it now, or add it from the store once it is approved.
🧩 19 free extensions
Download the videos and GIFs of any X (Twitter) post — HD or SD, with sound.
Save the videos and GIFs from the X (Twitter) post you have open, in one click. Choose HD or SD quality, keep the original sound, and watch a live download counter. No login, nothing leaves your browser.
Download Facebook videos, reels and photos while you watch — choose the quality.
Download the videos, reels and photos you are watching on Facebook, choosing the quality you want, with a live download counter. Works right while you browse — no login, your data stays in your browser.
Bulk follow and unfollow on X at a safe pace — limits, rests and auto-resume.
Grow and clean up your X (Twitter) account without doing everything by hand. Bulk follow or unfollow at a safe, human-like pace, with count limits, automatic rests, and auto-resume after any pause. You stay in full control.
Auto-approve or decline pending posts in your Facebook group, with keyword rules.
Takes the repetitive work out of running a Facebook group. It approves (publishes) or declines the pending posts in your queue automatically, following the keyword rules you set, with a live counter. You decide the rules and when it runs.
Send friend requests and cancel the unaccepted ones — daily limits and rests.
Manage Facebook friend requests in bulk, safely. Send requests and later cancel the ones that were not accepted, at a safe pace with daily limits, automatic rests and a live counter. You start it, set your limits, and it does the clicking.
See the numeric ID of any Facebook profile, page, group or post — one-click copy.
Shows the numeric ID of whatever Facebook profile, page, group or post you currently have open, and lets you copy it in one click. No digging through page source. Pairs well with our online Find Facebook ID tool.
Free, unlimited 2FA codes — add accounts by secret key or otpauth link.
A free, unlimited two-factor (2FA) authenticator in your browser. Add accounts by secret key or otpauth link; the codes refresh every 30 seconds and are stored only on your device. No account, no sign-up.
Capture the full page, the visible area, or a region — saved as a PNG.
Take a screenshot of the full page, the visible area, or just a region you select, and save it instantly as a PNG. One click from the toolbar — fast, free and private, nothing leaves your browser.
Bulk-delete your own Facebook posts and comments — filter by words or date.
Clean up your Facebook in bulk: delete your own posts and comments, filter them by words or date, and moderate the pages and groups you admin. Works through the interface only — no login, your data stays in your browser.
Invite friends to like your Page or join your Group — small safe batches.
Invite your friends to like a Facebook Page or join a Group you admin, in small safe batches with a wait time you control. Works through the interface only — no login, your data stays in your browser.
Turn any website dark with one click — adjustable brightness, contrast and warmth.
Give every website a comfortable dark theme with one click. Fine-tune the brightness, contrast and warmth, and keep a per-site preference so each site remembers how you like it. Fast, lightweight and private — no data collection.
Auto-format raw JSON into a collapsible, color-highlighted tree — plus a validator.
Turn raw JSON pages into a clean, collapsible, color-highlighted tree automatically. A built-in popup lets you paste, format, minify and validate JSON on the spot. Fast and private — nothing leaves your browser.
Collapse all open tabs into a saved list to free memory — restore them anytime.
Collapse all your open tabs into one saved list with a single click to free up memory, then restore them whenever you need. Search your tabs, close duplicates, and manage saved sessions. Private — no data collection.
Control any HTML5 video's speed with shortcuts and a draggable on-screen badge.
Control the playback speed of any HTML5 video with keyboard shortcuts and a draggable on-screen badge. Speed up lectures, slow down tutorials, and rewind or fast-forward in a tap. Fast and private — no data collection.
Create a QR code for the current page or any text — download as PNG, offline.
Instantly create a QR code for the page you have open or for any text you type, then download it as a PNG. Works fully offline — everything is generated in your browser, with no data collection.
Turn any cluttered article into a clean, distraction-free reading view.
Turn any cluttered article into a clean, distraction-free reading view. Removes ads, menus and sidebars, with adjustable font size and width and light, sepia or dark themes. Private — no data collection.
Block distracting websites and stay focused — with optional focus hours.
Block distracting websites and stay focused. Add sites to your block list, optionally only during focus hours, and see a calm block screen instead. Works locally with no data collection.
Boost the current tab's volume up to 500% with a simple slider.
Make quiet videos and audio louder — boost the volume of the current tab up to 500% with a simple slider. Uses the Web Audio API and works best on a site's own media. No data collection.
Read faster by bolding the first part of each word to guide your eyes.
Read faster by bolding the first part of each word to guide your eyes. Toggle it on any page, adjust the bold strength, and turn it off instantly. Fully reversible, works locally, with no data collection.
While a store listing is under review, you can install an extension manually in a few seconds. Click Download, unzip the file to a folder, then:
Once a listing is approved, its Web Store or Add-ons button turns on and installs it in one click with automatic updates. Firefox temporary add-ons stay until you restart the browser; the store version is permanent.
Use the Download button and unzip the file. On Chrome, Edge or Brave open chrome://extensions, turn on Developer mode and click Load unpacked. On Firefox open about:debugging and choose Load Temporary Add-on, then pick the manifest.json.
Yes. Each extension is submitted to both stores. While a listing is under review you can use the direct download; once it is approved, the store button on that extension installs it in one click with automatic updates.
Yes. Every Visatk extension is free and requests only the permissions it needs. Nothing runs on its own and no account login is required — your data stays in your browser.
Extensions run on desktop Chromium browsers and Firefox (Windows, macOS, Linux). Most mobile browsers do not support extensions, so use a computer to install them.