AES Encryption & Decryption
100% Client-Side Cryptography ★ PopularEncrypt and decrypt text and files with AES-GCM (authenticated) and AES-CBC, 128/192/256-bit keys, PBKDF2 passphrase derivation, and self-contained envelopes.
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Encode and decode UTF-8 Unicode text, files, images, and Data URLs with URL-safe Base64 toggles, line wrapping, and live image preview thumbnails.
JWT Decoder & Inspector
Base64URL decode JWT tokens, inspect registered and custom claims (exp, iat, iss, sub), detect security vulnerabilities, and verify HMAC signatures.
UUID Generator & Validator
Generate v4 random, v7 time-ordered sortable, and v1 timestamp UUIDs with bulk generation up to 5,000 items, custom formatting, and structural validation.
URL Encoder & Decoder
Encode and decode URLs with Component, Full URI, and Form-URL modes, syntax highlighting for percent escapes, batch line processing, and query editors.
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