Detect the real file type from its contents, and view size, extension and SHA-256.
Batch processing: several files at once, downloadable as a ZIP
Runs locally in your browser — no upload, no account
How to use File Information
Drop your files onto the page, or choose them from your device.
Adjust the options if needed.
Start “File info” — it runs inside your browser.
Preview the result and download it.
Frequently asked questions
Is File Information free?
Yes. File Information is free to use and needs no account or sign-up.
Are my files uploaded to a server?
No. Dhurta Suite processes your files inside your own browser. They are not uploaded, stored or seen by anyone, and they are discarded when you close the page.
Can I process several files at once?
Yes. Add as many files as you like; results can be downloaded one by one or together as a ZIP.
Does it work offline?
Once the page has loaded, processing needs no internet connection.
Does it work on phones?
Yes. It works in current mobile browsers on Android and iPhone, as well as on desktop.
Are there any limitations?
Duplicate detection compares SHA-256 hashes of the files you add.
Related tools
Hash Generator — Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.