Which checksum algorithm should I use?
SHA-256 is a strong general-purpose choice for file integrity checks. MD5 and SHA-1 remain useful for compatibility but should not be used for security-sensitive verification.
File
Checksum Generator
Generate MD5, SHA-1, SHA-256, SHA-384, or SHA-512 checksums for files directly in your browser.
Tool
Checksum Generator
Generate MD5, SHA-1, SHA-256, SHA-384, or SHA-512 checksums for files directly in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free Checksum Generator to calculate a file fingerprint with common algorithms such as MD5, SHA-1, SHA-256, SHA-384, and SHA-512. Checksums help compare files, verify downloads, detect accidental changes, and confirm that two files are identical. The selected file is processed directly in your browser and does not need to be uploaded.
Examples
- software-installer.exe
- backup.zip
- document.pdf
Frequently Asked Questions
Can a checksum prove who created a file?
No. A checksum can help identify file contents, but it does not prove authorship or authenticity by itself.
Is my file uploaded?
No. The checksum is designed to be calculated locally in your browser.