All tools
Encoding & Decoding
Encode, decode, validate, and format JSON, URLs, Base64, and HTML data. Handle common development transformations directly in your browser.
9 available tools
- Base64 Encoder & DecoderEncode UTF-8 text and files as Base64, or decode strings and data URIs back into text or files.
- String Escape and Unescape ConverterEscape newlines, tabs, and quotes, or restore Unicode and hexadecimal escape sequences to literal characters.
- SHA Hash and File Checksum GeneratorCalculate SHA-1, SHA-256, SHA-384, and SHA-512 checksums for text or local files at once.
- HMAC Message Authentication Code GeneratorCalculate a SHA-family HMAC from a message and secret key, then view the result as Hex or Base64.
- HTML Entity Encoder & DecoderConvert HTML-sensitive characters to named, decimal, or hexadecimal entities and decode entities with the browser table.
- JSON Formatter and ValidatorFormat, minify, sort, and validate JSON with clear syntax error locations.
- JWT Token DecoderRead a JWT's Base64URL header and payload as JSON, including standard claims and expiration timing.
- SQL Query FormatterFormat query indentation and keyword case for Standard SQL and major database dialects.
- URL Encoder, Decoder, and Query String ParserPercent-encode or decode text and complete URIs, then split URL query parameters into decoded keys and values.