Convert Anything, Instantly.
115+ free browser-based tools for data, files, and unit conversions. No signup, no uploads, 100% private.
115+ free browser-based tools for data, files, and unit conversions. No signup, no uploads, 100% private.
Find the right converter for your needs
Weight, length, temperature, volume, speed, and more
JSON, CSV, XML, YAML, and configuration files
Binary, hex, base64, Markdown, and encoding tools
PDF, image, audio, and video format conversion
HEX, RGB, HSL color conversion and picking
Unix timestamps, epoch converters, and timezone tools
Most-used converters by our community
Convert kilograms to pounds instantly.
Convert pounds to kilograms instantly.
Convert Celsius to Fahrenheit temperature.
Convert Fahrenheit to Celsius temperature.
Convert centimeters to inches easily.
Convert miles to kilometers for distance.
Convert milliliters to fluid ounces.
Convert feet to meters for length.
Convert US gallons to liters.
Convert JSON arrays to CSV format.
Parse CSV data into JSON arrays or objects.
Convert XML documents to JSON format.
Convert YAML configuration to JSON format.
Convert Markdown text to HTML with live preview.
Convert HEX color codes to RGB, HSL formats.
Generate TypeScript interfaces from JSON data.
Convert Unix timestamps to dates and back.
Convert images to Base64 data URLs for embedding.
Built for developers, designers, and data professionals
Every conversion runs entirely in your browser using JavaScript. No server uploads, no API calls, no data collection. Your files and data stay on your machine — always.
Client-side processing means zero latency. Paste your JSON, drop your file, or enter a value — results appear immediately. No loading spinners, no queue.
Use any tool as many times as you want. No account required, no daily limits, no premium tiers. Every feature is free and unrestricted.
Responsive design that works on desktop, tablet, and phone. All tools are touch-friendly and optimized for every screen size. Install as a PWA for offline access.
Master metric to imperial conversions with easy formulas and conversion tables for length, weight, volume, and temperature.
Practical guide to handling CSV files: parsing quirks, data cleaning, and format conversion.
Quick reference for popular data formats. Syntax, use cases, and conversion tips.
Step-by-step guide to converting JSON data to CSV format for spreadsheets and data analysis.
ConvKit (conv-kit.com) is a free online tool suite offering 115+ free tools for data and file format conversion. All tools run entirely in your browser. No registration required.