Convert & Encode
Move data between formats, encodings and units. 13 tools, all running in your browser.
Time
Encoding
Base64 Encoder & DecoderEncode and decode Base64 strings online. Supports text and UTF-8 encoding.URL Encoder & DecoderEncode and decode URLs, parse query strings, and build URLs with a visual parameter editor.String Escape / UnescapeEscape and unescape strings for JSON, HTML, XML, URL, SQL, regex, shell, Java, Python, and more.Image to Base64Convert images to Base64 data URIs. Drag & drop, batch upload, resize, and reverse Base64 to image.
Data formats
YAML / JSON ConverterConvert between YAML and JSON with validation, sorting, and presets for Docker, Kubernetes, and GitHub Actions.CSV to JSON ConverterConvert CSV to JSON and JSON to CSV instantly. Handles headers, custom delimiters, and large datasets.JSON to TypeScriptGenerate TypeScript interfaces, Zod schemas, or JSON Schema from any JSON. Smart type inference with optional fields.Markdown to HTMLConvert Markdown to HTML and back. Live preview with GitHub-flavored Markdown support.
Code & numbers
Curl to CodeConvert curl commands to Python, JavaScript, Go, Java, PHP, Rust, C#, and Ruby code.Number Base ConverterConvert between binary, octal, decimal, and hex. Bit visualization, two's complement, and bitwise operations.Color ConverterConvert between HEX, RGB, HSL with contrast checker, palette generator, and Tailwind CSS matching.