Free Developer Tools

A collection of privacy-first online tools. Fast, secure, and processing locally in your browser.

Security Tools

Essential tools for securing your digital life. Generate strong passwords, hashes, and more.

Secure Password Generator

Generate strong, secure, and random passwords locally in your browser. 100% client-side for maximum security.

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Encoders & Decoders

Securely convert data formats without sending data to servers. Perfect for debugging auth tokens and APIs.

Base64 Encoder/Decoder

Free online tool to encode text to Base64 or decode Base64 to text. Fast, secure, and runs locally.

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HEIC to JPG Converter

Free online tool to convert HEIC images to JPG or PNG instantly. 100% local conversion for maximum privacy.

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Code Formatters

Beautify and validate your code snippets. Essential tools for readable JSON, XML, and data structures.

JSON Formatter & Validator

Free online tool to format (prettify) or minify JSON data. Validate syntax and fix errors instantly.

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HTML Formatter & Previewer

Free online tool to format, minify, and preview HTML code. Validate syntax and beautify markup instantly.

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CSS Formatter & Minifier

Free online tool to beautify, minify, and purify CSS code. Clean, compact, and optimize your stylesheets instantly.

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Why use our Online Tools?

Our platform provides a collection of **privacy-first online tools**. Whether you need a base64 converter or a JSON formatter, we offer fast and secure solutions. All processing is done locally in your browser.

We support multiple languages including **English and Chinese** to help users worldwide. Our tools are optimized for mobile and desktop, ensuring a seamless experience across all devices without the need for registration.