Upload any file to get a full intelligence report — real type detection via magic bytes, PDF & Office deep analysis, security trust scoring, and smart recommendations. All processed locally on your device.
Drop any file to get a full intelligence report with security analysis
or click to browse — supports any file type
PDF, DOCX, PNG, JPG, ZIP, MP3, MP4 & more • Batch upload supported • Processed locallyThe most comprehensive client-side file analysis tool
Reads the first 32 bytes of any file to identify its real type using magic number signatures. Detects 17+ formats including PDF, PNG, ZIP, MP4, and more.
Powered by PDF.js — extracts page count, detects text & images, checks for forms, scripts, encryption, and reads PDF metadata & version.
Inspects ZIP-based archives to detect DOCX, XLSX, and PPTX files by reading internal directory structure. Powered by JSZip.
Calculates a 0–100 trust score based on extension mismatch, unknown types, embedded scripts, and suspicious patterns. SAFE / CAUTION / RISKY ratings.
Dynamic recommendations based on file characteristics — compression tips, OCR suggestions, format conversion advice, and security warnings.
Extract hidden metadata from images, PDFs, and documents. Privacy score (0-10), GPS detection, author info, and one-click metadata removal.
Remove sensitive metadata before sharing files. Strip GPS locations, author names, device info, and software history from images and documents.
Your files never leave your device. Everything is processed locally in your browser — zero data sent to servers. Complete privacy guaranteed.
UniDoc App provides a complete set of free, privacy-first document tools — all running locally in your browser. No sign-up, no uploads, no tracking. Your documents, your control.