File Inspector
Browser-based file forensics: 56 format parsers, hex editor with inline editing, steganography detection, PE/ELF analysis, entropy visualisations, file carving, and 800+ file-type identification. 100% client-side.
How to Use
- Drop any file onto the dropzone (or click to browse).
- Click any byte in the hex view to inspect it; Shift+click to select a range.
- Use the tabs to switch between hex, strings, format analysis, PE/ELF, entropy visualisations, and more.
- Export reports as JSON, hex dump, or a selection copy (C array).
📂
Drop any file here
Nothing is uploaded. 800+ file types. v4.3
Hash Identifier
Complete Feature List (300+)
23 Analysis Tabs
Hex Editor — Interactive hex with inline editing, undo/redo, search, bookmarks
Hashes — SHA-256, SHA-1, SHA-512 + hash identifier (MD5, bcrypt, Argon2...)
Format — 56 format parsers with structural breakdown
Embedded — File carving with smart end markers + archive browser
Integrity — Corruption detection (PNG/JPEG/PDF), EOF hidden data
Security — Steganography analysis, metadata stripping
Visualize — Byte frequency, entropy heatmap, pixel map, digram, Hilbert curve
Binary — Entropy stats, byte distribution, data inspector
Strings — Extract + auto-classify into 9 categories
Text — Syntax-highlighted preview with encoding detection
Preview — Image/audio/video/font preview
Compare — Side-by-side hex diff with similarity scoring
Timestamps — Unified timeline from all sources
Batch — Multi-file analysis
PE Analysis — Sections, imports, security flags, 31 packer signatures
ELF — Sections, NX/PIE/Canary flags, linked libraries
Documents — VBA macros, PDF JavaScript/Launch detection
Intel — Compiler ID, credentials, wallets, PII, privacy scanner
AI — Claude-powered analysis with your own API key
Advanced — x86 disassembler, Rich header, anti-VM, YARA rules
Patterns — XOR finder, Base64 regions, encoding detection
Deep — Archive bombs, JWT decoder, risk scoring, treemap
56 Format Parsers
Images: PNG, JPEG, BMP, TIFF, WebP, GIF, ICO/CUR, PSD, SVG
Audio: WAV, MP3/ID3v2, FLAC, OGG, MIDI
Video: MP4, AVI, MKV/WebM
Documents: RTF, Markdown, EPUB, Email (EML)
Archives: ZIP, GZIP, RAR, 7-Zip, TAR, ISO 9660
Executables: PE/EXE/DLL, ELF, Mach-O, Java .class
Data: SQLite, CSV/TSV, YAML, TOML, INI, JSON (package.json)
Crypto: PEM, DER/ASN.1, SSH Keys, Certificates
Game ROMs: NES (iNES), SNES (SMC/SFC), Game Boy (GB/GBC)
Dev Files: Dockerfile, Makefile, package.json, requirements.txt, .gitconfig, .env, PCAP
Other: STL (3D), Torrent, LNK (shortcuts), Python .pyc, WASM
Intelligence Features
Credential Scanner: AWS keys, GitHub tokens, Slack tokens, Google API keys, private keys, JWTs, connection strings, Bearer tokens (12 patterns)
Code Analysis: License detection (MIT, GPL, Apache, BSD, MPL), framework detection (18 frameworks including React, Django, Express), vulnerability patterns (12 including SQL injection, XSS, command injection)
Privacy Scanner: SSN, credit cards, IBAN, phone numbers, passport patterns, tracking pixels (Google Analytics, Facebook, Mixpanel), fingerprinting scripts (canvas, WebGL)
Blockchain: Bitcoin (1xxx, 3xxx, bc1xxx), Ethereum (0x), Monero wallet address detection
Steganography: LSB bit plane viewer (toggle bits 0-7), zero-width Unicode characters, whitespace steganography, homoglyph detection (mixed Cyrillic+Latin)
Network Intel: Webhook URLs (Discord, Slack, Teams), hardcoded DNS, user-agents, API endpoints, DGA detection
Hex Editor Features
Interactive hex dump with clickable bytes and data inspector
Inline editing with undo/redo history
Hex search, ASCII search, Find All, Find & Replace
Bookmarks, column ruler, minimap, status bar
Fill range, copy as C array, export hex dump
Rainbow hex (color by byte value)
9 structure templates (PNG, JPEG, BMP, GIF, PE, ELF, ZIP, WAV)
String decoder (Base64, ROT13, XOR, URL decode, UTF-16)
Binary calculator (sum, XOR, AND, OR, bit count, uint16/32, float32, timestamp)
Download modified file after editing
AI-Powered Analysis
Uses your own Claude API key (stored locally in browser only)
6 preset prompts: Describe File, Security Assessment, Explain Anomalies, Incident Report, What Does This Do?, Next Steps
Custom question input — ask anything about the file
Multi-turn chat history with message bubbles
Full file context sent (type, hashes, format data, strings)
Export & Reporting
8 export formats: HTML Report, Text Report, JSON, Markdown, YARA Rule, Sigma Rule, Snort Rules, STIX 2.1 Bundle
Smart Copy: Copy all hashes, copy all IOCs as CSV, copy all strings, copy analysis summary
EXIF metadata table for images
CSV data preview (sortable table, first 100 rows)
Archive file tree browser
Keyboard Shortcuts
G Go to offset / Search Ctrl+K Quick palette Ctrl+Z Undo Ctrl+Y Redo
H Hex A Hashes F Format R PE X Security S Strings K AI
361KB single file • ~4,855 lines • 100% browser-based • No upload, no server processing • Works offline
Extension Lookup
Type any extension.
What gets analysed
Identity
Magic bytes, MIME, extension check, 800+ formats
Hashes
SHA-256, SHA-1, SHA-512, CRC32, MD5
Structure
Per-format parsers: PNG chunks, WAV RIFF, PE headers, ELF, MP4 boxes, ZIP CD, and 50+ more
Entropy
Shannon, sliding window, heatmap, Hilbert curve, digram plot
Strings
URL / email / IP / path classification, min-length filter
Embedded
Carving by magic signature, extraction, hash-per-carve
Steganography
LSB bit planes, chi-square, suspicious trailers
Hex Editor
Inline edit, undo / redo, bookmarks, download modified
Compare
Side-by-side two-file diff of bytes, hashes, structure
Frequently Asked Questions
Does it upload my file?
No. Analysis is 100% browser-side; the file never leaves your machine.
What is file carving?
Scanning a file for the magic-byte signatures of other formats hidden inside it, so those embedded files can be extracted.
Which visualisations are available?
Byte frequency, entropy heatmap, pixel map, digram plot, entropy window, Hilbert curve, structure treemap, image histogram, LSB bit planes, and rainbow hex.
Extension vs magic bytes - which wins?
Magic bytes. The extension is user-set and can lie; magic bytes are the real file signature at the start of the binary.
Common Use Cases
Unknown download
Confirm what a file really is before opening it.
Hidden payloads
Find files embedded inside other files via carving.
Hex editing
Edit bytes inline and download the modified file.
Forensic triage
Hash, metadata, entropy, strings, and format-specific parsing in one view.
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