99Tools: Web Developer Toolkit by 99Tools

Power up your browser with 800+ professional developer, SEO, and text tools. The official 99Tools extension for fast and pro-grade productivity.

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About this extension

Unlock a massive library of 800+ professional tools directly from your browser toolbar. Designed for developers, SEO experts, and power users, the official 99Tools extension brings the full power of 99Tools.net into a single, lightning-fast popup interface.

Key Feature Categories:

Developer Utilities: JSON Formatter, CSS Minifier, Base64 Encoder, JWT Debugger, and more.
SEO & Webmaster Tools: Schema Generator, Keyword Density Checker, Redirect Tracker, and SERP Preview.
Text Manipulation: Case Converter, Word Counter, Remove Duplicate Lines, and Regex Tester.
Image Tools: WebP Converter, Image Resizer, and All Types Of Image Converters.

Why Choose 99Tools?

800+ Tools in One Place: The most comprehensive utility suite available on the store.
Privacy First: We do not collect, store, or transmit any personal data. Your workflow remains yours.
Professional Grade: Built by a team with over 10 years of experience in web development and SEO.
Lightning Fast: Instant search and easy "Favorites" tab for your most-used utilities.

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