File Checksum Calculator
Generate SHA-256 file checksums in your browser.
- Browser-based
- No signup
- Stays on your device
Developer
Enter text and choose SHA-256, SHA-384, or SHA-512. Hashes use the Web Crypto API in your browser. Obsolete algorithms like MD5 and SHA-1 are not offered.
Uses Web Crypto. MD5 and SHA-1 are not offered.
Enter text and choose SHA-256, SHA-384, or SHA-512. Hashes use the Web Crypto API in your browser. Obsolete algorithms like MD5 and SHA-1 are not offered.
Use the Hash Generator 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 Hash Generator, 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.
Second example: try edge cases that matter for your task—such as zero values, a different unit system, or a second file—and confirm the tool shows a clear result or a helpful validation message.
Enter text and choose SHA-256, SHA-384, or SHA-512. Hashes are generated with the Web Crypto API in your browser. Obsolete algorithms like MD5 and SHA-1 are not offered.
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.
SHA-256, SHA-384, and SHA-512 via Web Crypto. MD5 and SHA-1 are not offered.
No. Hashing runs locally in your browser.