Category

Encoding, hashes, and IDs

Encode data, inspect tokens, calculate hashes, and generate identifiers.

10 tools

JSON and data structures68 Text processing7 Encoding, hashes, and IDs10 Time, numbers, and math1 Web and frontend1 Images and colors1 Databases and DevOps1 Development and productivity1

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Base64 Encoder & DecoderConvert UTF-8 text to Base64 and decode it back to text.Processed in your browser · Encoding

URL Encoder & DecoderPercent-encode URL components or complete URLs using UTF-8.Processed in your browser · Encoding

Unicode Escape ConverterConvert Chinese, emoji, and other Unicode text to \u escapes and back.Processed in your browser · Encoding

HTML Entity Encoder & DecoderEncode HTML-sensitive characters or every Unicode code point, then decode entities safely.Processed in your browser · Encoding

JWT ParserDecode JWT header and payload data without sending the token anywhere.Processed in your browser · Parsing

MD5 / SHA Hash GeneratorCalculate MD5, SHA-1, SHA-256, or SHA-512 for UTF-8 text and local files.Processed in your browser · Cryptographic hash

UUID v4 GeneratorGenerate one or more cryptographically random RFC 4122 UUID v4 values.Processed in your browser · Generator

Integer Base ConverterConvert signed integers between binary, octal, decimal, and hexadecimal.Processed in your browser · Encoding

Image to Base64Read a local image and generate its complete Data URL, MIME type, and size.Processed in your browser · Encoding

Base64 to ImageValidate an image Data URL or raw Base64, then preview and download it locally.Processed in your browser · Encoding