Verify a download
Calculate a file's SHA-256 digest and compare it with the checksum published by the distributor.
SHA Hash and File Checksum Generator
SHA Hash and File Checksum Generator
Calculate SHA-1, SHA-256, SHA-384, and SHA-512 checksums for text or local files at once.
Key features
- Computes SHA-1, SHA-256, SHA-384, and SHA-512 together.
- Accepts both UTF-8 text and local file input.
- Displays each digest as lowercase or uppercase hexadecimal for individual copying.
How to use
- Choose the Text or File tab.
- Enter content or select a file.
- Copy the SHA checksum you need.
Examples
Check a string hash
Confirm the SHA output of a UTF-8 string used in an API or test vector.
Privacy
Hashes are calculated with the browser's Web Crypto API, and selected files are read in the browser.
Requirements
A modern browser with Web Crypto is required; SHA-1 is suited to legacy checksum compatibility rather than secure signatures.
Common questions
- Can I hash both text and files?
- Yes. Text is hashed as UTF-8 bytes, while files are read as bytes in the browser. SHA-1, SHA-256, SHA-384, and SHA-512 are available.
- Can a hash restore the original file?
- No. A hash is a one-way digest. Use it to compare a file with a known checksum.
Related tools
- HMAC Message Authentication Code GeneratorCalculate a SHA-family HMAC from a message and secret key, then view the result as Hex or Base64.
- Bcrypt Hash Generator & Password CheckerGenerate a salted bcrypt hash with cost 4–15 or compare plaintext against an existing bcrypt hash in the browser.
- Base64 Encoder & DecoderEncode UTF-8 text and files as Base64, or decode strings and data URIs back into text or files.
- AES-256-GCM Text Encryption & DecryptionDerive a key from a password with PBKDF2-SHA-256, encrypt text using AES-256-GCM, and output a portable Base64 string.