Free Chrome Extensions & Browser Tools (2026)

Zovo Chrome Extensions & Browser Tools

A focused collection of Chrome extensions and free browser-based tools built by the Zovo team. Every extension follows strict privacy principles: minimal permissions, no data collection, no account required, and fully open architecture. Each tool solves one problem well.

All Zovo extensions are Manifest V3 compliant, audited for safety, and available at no cost. Browser tools run entirely in your browser with zero server communication.

Chrome Extensions

• Tab Suspender — Save memory and speed up Chrome by suspending inactive tabs automatically.
• Cookie Manager — View, edit, and delete cookies for any site with a clean interface.
• JSON Formatter — Format, validate, and beautify JSON responses directly in the browser.
• Color Picker — Pick colors from any webpage with an eyedropper and build palettes instantly.
• Password Generator — Generate secure random passwords with configurable length and character sets.
• QR Code Generator — Create QR codes from any URL or text with one click.
• Word Counter — Count words, characters, sentences, and estimate reading time on any page.
• Quick Notes — A lightweight browser notepad for capturing ideas without leaving your tab.
• Base64 Encoder — Encode and decode Base64 text, images, and files directly in Chrome.
• Unit Converter — Convert length, weight, temperature, and more without opening a new tab.

Free Browser Tools

No install required. These run entirely in the browser tab:

• JSON Formatter — Paste, format, and validate JSON with syntax highlighting.
• Base64 Encoder and Decoder — Convert Base64 strings and files without uploading anything.
• Password Generator — Generate strong passwords with configurable length and character sets.
• Color Palette Generator — Build a palette from any starting colour.
• Word Counter — Word, character, and sentence counts with a reading-time estimate.
• QR Code Generator — Downloadable QR codes from URLs, text, or contact details.
• Flowchart Maker — Drag process boxes and decision diamonds onto a canvas and export the diagram as PNG or SVG.
• Unit Converter — Length, weight, temperature, and volume in one panel.

When an Extension Stops Working

Extensions break for a short list of reasons, and the error message usually tells you which one. Our guide to Chrome extensions not working maps each message to its fix, including the corrupted-extension warning and the case where an extension survives in one profile but not another. If the same update also took your bookmarks, that is a different problem with a different recovery path, covered in Chrome bookmarks disappeared.

Explore More

• All Free Tools — The full A to Z of browser-based tools that need no installation
• Best Chrome Extensions — Category lists with permission and safety notes
• Blog — Step-by-step fixes for Chrome problems
• Safest Extensions — Ranked by how little access they ask for