Drop a file and compute its hash, then paste the expected checksum to verify the file hasn't been tampered with. Supports MD5, SHA-1, and SHA-256.
File Hash Verifier is a browser-based tool on 24Toolkit. Drop a file and compute its hash, then paste the expected checksum to verify the file hasn't been tampered with. Supports MD5, SHA-1, and SHA-256. Our File Hash Verifier calculates and verifies file hashes (SHA-256, SHA-1). Hash verification ensures file integrity—download a file, calculate its hash, and compare with the expected hash to confirm it wasn't corrupted or tampered with. All hashing happens in your browser using the Web Crypto API. Your files never leave your device. Essential for secure downloads, software distribution, and digital forensics. File Hash Verifier is a browser-based workflow on 24Toolkit at /file-hash-verifier for users who need fast, private results without installing software. Drop a file and compute its hash, then paste the expected checksum to verify the file hasn't been tampered with. Supports MD5, SHA-1, and SHA-256. The page is designed for direct use in modern browsers with clear steps, practical output, and shareable results. Primary focus areas include speed, privacy, and usability.
Key Features
SHA-256, SHA-1 support
Verify file integrity
100% client-side
No server uploads
Free with no limits
How to Use
Upload the file you want to verify.
Select the hash algorithm (SHA-256 or SHA-1) used by the source.
Paste the expected hash in the verification field.
Compare—green means match, red means mismatch.
FAQ
What is a file hash?
A hash is a fingerprint of a file. Same file always produces the same hash. Any change corrupts the hash, revealing tampering or corruption.
Are my files uploaded anywhere for hashing?
No. The tool reads your file into an ArrayBuffer in the browser and feeds it to the Web Crypto API's digest function. The file's bytes are never transmitted — only the resulting hash string is displayed on screen.
Why SHA-256 over SHA-1 or MD5?
SHA-256 is more secure. SHA-1 and MD5 have known vulnerabilities. Use SHA-256 when the source provides it.