File Hash Checker — SHA-256 Checksum in Browser
Compute SHA-256, SHA-512, SHA-1, and MD5 checksums for any file without uploading it. Drag and drop files of any size — hashing runs in a Web Worker so the UI stays responsive.
Your data never leaves your browser
File input
Drag & drop a file
or click to browse — never uploaded to a server
Checksums
Drop a file to compute hashes
MD5 and SHA-1 are legacy algorithms — not recommended for security-sensitive use.
About this tool
Drag & dropWeb WorkerSHA-256/512/1MD5Never uploaded
How to use
- Drag and drop a file or click to browse.
- Select which hash algorithms to compute.
- Copy individual checksums for verification.
Examples
Verify download integrity
my-installer.zip
SHA-256: abc123…