Checksum Calculator
Calculate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 checksums for files and text. Verify file integrity instantly — all processing in your browser.
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Drag & drop file here or click to browse
Max file size: 200MB
📖 About Checksums
What is a checksum?
A checksum is a unique fingerprint of a file or text. Even a tiny change produces a completely different hash value.
| Algorithm | Bits | Speed |
| MD5 | 128 | ⚡ Fast |
| SHA-1 | 160 | ⚡ Fast |
| SHA-256 | 256 | 🟡 Medium |
| SHA-384 | 384 | 🟡 Medium |
| SHA-512 | 512 | 🐢 Slow |
💡 Common Uses
- Verify downloaded files
- Check file integrity
- Detect corruption
- Deduplicate files
- Digital forensics
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