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Security
File Multi-Hash Checksum
Compute MD5, SHA-1, SHA-256 and SHA-512 of a file simultaneously to verify integrity. 100% browser processing via WebCrypto.
100% local. Arquivos grandes (>100 MB) podem demorar.
Related Tools
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Password Generator
Generate strong, random passwords with custom length, uppercase letters, numbers and symbols. Generated in the browser โ no data leaves your device.
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Encrypt Text
Apply classic ciphers (Caesar, ROT13, Atbash) or Base64. Useful for puzzles, CTFs and testing โ do not use for real security.
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Password Strength Checker
Check the strength of a password with entropy calculation, common-password check and improvement tips. Runs in your browser โ no data is sent.