See through any file.
FileSee renders a byte-level heatmap of any file — up to 500 MB — revealing structure, encrypted payloads and hidden data regardless of the extension. Uploads self-destruct in 60 minutes.
Drop evidence here or click to browse
any file type · max 500 MB · purged after 60 min
CAPABILITIES
Byte-class heatmap
Every byte mapped to color — structure, padding and payloads pop out at any zoom level.
Entropy mapping
Per-block Shannon entropy exposes encrypted or compressed regions instantly.
Instant digests
MD5, SHA-1, SHA-256 and CRC-32 computed in a worker while you browse.
Signature detection
60+ magic-byte signatures checked against the head of the evidence.
Hex inspector
Head, tail and arbitrary offsets with per-byte class coloring.
Auto-purge
Stored evidence self-destructs after 60 minutes — nothing lingers.
HOW IT WORKS
Drop the file
Any type, up to 500 MB — rendering happens entirely in your browser.
Read the heat
Nulls, text, crypto and erasure each paint a different color.
Align with the width slider
Snap the line width to sectors, pages or CD frames until the structure locks in.
ACTIVE CASE FILES
live purge countdown · auto-refreshes every 30 s