File Hash Calculator
File Hash Calculator, processed in your browser with copy and download.
File Hash Calculator
Files are read in chunks in this browser and are never uploaded.
Compute MD5, SHA-1, SHA-256, SHA-512, SHA3-256 and SHA3-512 together; copy, download or compare a digest. Any file type, up to 1 GiB, read in 1 MiB chunks in a browser Worker without uploads. MD5/SHA-1 are for legacy checks.
Result
Hashes or a byte preview will appear after processing.
Processed content stays in this page’s memory and cannot be recovered after clearing or closing.
About this tool
File Hash Calculator, processed in your browser with copy and download. Compute MD5, SHA-1, SHA-256, SHA-512, SHA3-256 and SHA3-512 together; copy, download or compare a digest. Any file type, up to 1 GiB, read in 1 MiB chunks in a browser Worker without uploads. MD5/SHA-1 are for legacy checks. Input and output are not uploaded. Metrics contain only status, duration, count and copy/download actions.
How to use
- Choose a local file or load the example; hex decoding also accepts pasted text.
- Select algorithms or conversion options and run; cancel at any time.
- Review hashes or byte previews, copy text or download the complete result. Editing clears old output.
Frequently asked questions
What happens to invalid input?
Invalid formats, out-of-range numbers and oversized outputs are rejected. Follow the example; inputs are not silently repaired.
Discussion & comments
Share your experience and discover more ways to use this tool.
Loading comments…