Hash Generator
Generate SHA-256, SHA-384, and SHA-512 hashes.
Developer
Choose a file and generate a SHA-256, SHA-384, or SHA-512 checksum with the Web Crypto API. Hashing runs entirely in your browser and files are not uploaded.
Choose a file to hash
Max 50 MB · processed locally
Hashes are generated in your browser and files are not uploaded.
Use the File Checksum Calculator form near the top of this page. Enter the values you know, run the tool, and review the results panel. You can change inputs and run it again. Processing stays in your browser and is not uploaded to Utilnivo servers.
Example: open File Checksum Calculator, enter a realistic set of inputs for your situation, and note the primary result. Change one input—such as an amount, rate, or option—and compare how the output changes so you can choose a scenario that fits your needs.
Choose a file and generate a SHA-256, SHA-384, or SHA-512 checksum with the Web Crypto API. Hashing runs entirely in your browser and files are not uploaded.
This tool runs in your browser for convenience. Results are estimates or transformations based on the inputs you provide and may not cover every edge case.
No. Checksums are generated locally with Web Crypto and files are not uploaded.
SHA-256 (default), SHA-384, and SHA-512.