File checksum calculator
Calculate cryptographic hashes and CRC32 for a local file and compare a known checksum.
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Security & hashes
Text hash generator
Calculate SHA-256, SHA-384, SHA-512, SHA-1, MD5 or CRC32 over UTF-8 text.
Free to useProcessed on your device
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About this tool
Calculate SHA-256, SHA-384, SHA-512, SHA-1, MD5 or CRC32 over UTF-8 text.
How to use
- Enter the data and required algorithm settings.
- Run the calculation locally in your browser.
- Copy or download the result. Preserve required keys and parameters for later verification.
Everything runs locally in this browser. Web Crypto requires HTTPS. Keep keys and passwords private and save your own recovery copies; this website cannot recover them. Hashes are not reversible encryption. MD5, SHA-1 and CRC32 are unsuitable for password storage or security-sensitive collision resistance.
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