Online Tools
Simple, fast, private tools for text, color, image, time and encoding. No sign-up. Everything runs in your browser.
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Encoding & Crypto
Base64 Encode / DecodeText to Base64URL Encode / DecodePercent-encodingHTML Encode / DecodeEscape HTML entitiesUnicode Escape\uXXXX escape/unescapeText ⇄ HexHexadecimal encodingHash GeneratorMD5, SHA, RIPEMD, HMACAES Encrypt / DecryptAES with full parametersAES-GCM Encrypt / DecryptAuthenticated AES (AEAD)DES / Triple DESLegacy block ciphersRabbit / RC4Stream ciphersBlowfish Encrypt / DecryptLegacy block cipherPBKDF2 Key DerivationPassword-based key derivationRSA ToolsKey pairs, encrypt, decryptSM (Guomi) ToolsSM2 / SM3 / SM4 national cryptoJWT DecoderInspect tokens safelyBase32 Encode / DecodeText to Base32Morse Code TranslatorText to Morse & backCaesar, ROT13, Atbash & VigenèreClassic cipher toolkitCRC32 Checksum CalculatorCRC32 & CRC32C hashesTOTP Authenticator Code Generator2FA codes in your browserUUID Generator — v4 & v7Random & time-ordered IDsRandom Password GeneratorStrong crypto-random passwordsData URI ConverterFile to Base64 data URIURL Parameter Parser & BuilderQuery strings made easyChaCha20 / XChaCha20-Poly1305Modern stream cipher (AEAD)