MD5 and SHA hash generator
Calculate MD5, SHA-1, SHA-256 and SHA-512 of text or files and verify a checksum.
Processed on your device: your file never leaves your computer
Up to 50 files, 200 MB max each.
What MD5 and SHA hash generator does
The hash generator calculates MD5, SHA-1, SHA-256 and SHA-512 checksums of text (as UTF-8) or of any file without uploading it: files are read in parts in your browser, so large files work too. Paste the hash published by whoever distributes a file to check that your download is complete and has not been altered. The result downloads as checksums.txt in the format sha256sum -c reads.
Limits
- Up to 50 files at a time, up to 200 MB each.
- With Pro: files up to 1 GB and up to 500 per batch.
- A job that takes longer than 10 minutes is stopped so it doesn't freeze your device.
- Processed in your browser: your files are never uploaded to a server.
Frequently asked questions
How do I check that a download is not damaged?
Choose the file, paste the checksum from the official site into “Expected hash” and calculate. You will see whether it matches and with which algorithm; it is recognized by its length.
Which algorithm should I use?
SHA-256 or SHA-512. MD5 and SHA-1 catch download errors, but they are no longer safe against someone deliberately crafting files with the same hash.
Can a hash be used to store passwords?
Not directly: passwords need slow, salted functions such as bcrypt or Argon2. Fast hashes like these are for verifying files and integrity.