⚡FreeDevTools

About FreeDevTools

FreeDevTools is a free collection of 20+ online developer utilities designed to help developers work faster and more efficiently. Every tool runs entirely in your browser — no data is ever sent to any server.

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100% Private

All processing happens locally in your browser. Zero data collection.

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Instant & Fast

No server round-trips. Results appear instantly as you type.

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Completely Free

No signup, no limits, no paywalls. Free for everyone, forever.

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Works Everywhere

Responsive design that works on desktop, tablet, and mobile.

Our Tools

We offer a wide range of developer utilities, including:

Data Format: JSON Formatter, Base64 Converter, URL Encoder, HTML Entity Encoder
Generators: Password Generator, QR Code Generator, Hash Generator, Fancy Text Generator
Converters: Color Converter, Number Base Converter, Unix Timestamp Converter, Time Zone Converter, Roman Numeral Converter, Case Converter
Text Tools: Word Counter, Text Cleaner, Text Diff Checker
Calculators: Date Calculator, Age Calculator
Code Tools: JS/CSS Minifier

Technology

FreeDevTools is built with vanilla HTML, CSS, and JavaScript. We use modern browser APIs including the Web Crypto API for secure cryptographic operations. The site is hosted on GitHub Pages and uses Google Fonts for typography.

Open Source

FreeDevTools is an open-source project. You can view the source code, report issues, or contribute on our GitHub repository.

Contact

Have questions, suggestions, or found a bug? Feel free to open an issue on our GitHub repository.