Safe File Extension List
Free Safe File Extension List on AboveTool. Inspect files, hashes, magic bytes, and encodings in your browser — private, no upload.
Safe File Extension List
inspects files in your browser for safe file extension list tasks without uploading anything
Private by design — files and text stay on this device. Results are indicative helpers, not forensic certification.
About Safe File Extension List
Safe File Extension List is inspects files in your browser for safe file extension list tasks without uploading anything. It works by calculating reads local File/ArrayBuffer data, applies byte and text analysis, then shows results on-page. Keep sample files small when possible — huge binaries are slower to scan fully in the browser. Safe File Extension List runs free in your browser at abovetool.com — no signup, instant results.
How to use
- Upload a file or paste text, depending on the tool.
- Tune options such as byte limit, hash algorithm, or encoding.
- Click Analyze to inspect bytes, hashes, MIME clues, or text — all locally.
Features
- Magic-byte, hash, hex, entropy, and string analysis
- Multi-file compare and extension/magic validation
- Text encoding, MIME lookup, and line-ending tools
- 100% private — files never leave your browser
Frequently asked questions
What is Safe File Extension List for?
Safe File Extension List is inspects files in your browser for safe file extension list tasks without uploading anything.
How does Safe File Extension List calculate the result?
It calculates reads local File/ArrayBuffer data, applies byte and text analysis, then shows results on-page.
Any tips for using this calculator?
Keep sample files small when possible — huge binaries are slower to scan fully in the browser.
Is Safe File Extension List free on AboveTool?
Yes. Safe File Extension List is free to use on abovetool.com with no account required, and results are calculated instantly in your browser.