Encoding
Encode and decode text — Base64, URL, HTML entities, hashes.
- Base64 Encode / Decode
Encode text to Base64 or decode Base64 to text. UTF-8 / unicode safe. Free, browser-based, no upload.
- URL Encoder / Decoder
Percent-encode or decode URLs and query strings. Component or full-URL mode. Browser-based, instant.
- HTML Entity Encoder / Decoder
Encode HTML-unsafe characters (<, >, &) to entities, or decode entities back to characters. Named and numeric modes.
- Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text. Runs entirely in your browser via Web Crypto API.