Hex Viewer
Free Hex Viewer on AboveTool. Inspect files, hashes, magic bytes, and encodings in your browser — private, no upload.
Hex Viewer
renders a classic offset / hex / ASCII dump so you can inspect binary structure locally
Drop file here or click to browse
Processed entirely in your browser
Private by design — files and text stay on this device. Results are indicative helpers, not forensic certification.
About Hex Viewer
Hex Viewer is renders a classic offset / hex / ASCII dump so you can inspect binary structure locally. It works by calculating reads local File/ArrayBuffer data, applies byte and text analysis, then shows results on-page. Start with the first 512–4096 bytes — most format headers live there. Hex Viewer 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 Hex Viewer for?
Hex Viewer is renders a classic offset / hex / ASCII dump so you can inspect binary structure locally.
How does Hex Viewer 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?
Start with the first 512–4096 bytes — most format headers live there.
Is Hex Viewer free on AboveTool?
Yes. Hex Viewer is free to use on abovetool.com with no account required, and results are calculated instantly in your browser.