Encoders & Decoders
20 toolsFree online encoders & decoders developer tools — fast, private, and runs in your browser.
Base64 Encoder / Decoder
Encode & decode Base64 strings
PopularURL Encoder / Decoder
Encode & decode URL components
HTML Entity Encoder
Encode & decode HTML entities
JWT Decoder & Verifier
Decode & verify JWT tokens with signature check
PopularHash Generator
MD5, SHA-1, SHA-256 & SHA-512 hashes
Base64 Image Encoder
Convert images to Base64 data URIs
Base64 Image Decoder
Decode Base64 strings back into images
GZIP Compress / Decompress
Compress & decompress text with GZIP
Text Escape / Unescape
Escape & unescape JSON, HTML, URL, XML & more
Backslash Escape / Unescape
Escape & unescape backslash sequences per language
Bcrypt Hash Generator
Hash & verify passwords with PBKDF2-SHA256
HMAC Generator
Generate HMAC-SHA256/384/512 message digests
AES Encrypt / Decrypt
Encrypt & decrypt text with AES-256-GCM
PopularPDF Signature Checker
Check PDF files for digital signatures
Base32 Encoder / Decoder
Encode & decode Base32 strings (RFC 4648)
Punycode Encoder / Decoder
Convert internationalized domain names to Punycode
Morse Code Translator
Translate text to Morse code & back with audio
Hex String Encoder / Decoder
Convert text to hex strings & back
PBKDF2 Key Generator
Derive cryptographic keys with PBKDF2
Base58 Encoder / Decoder
Encode & decode Base58 (Bitcoin & Flickr alphabets)