ThinkForU PDF Permission Checker
Upload PDF to Check Permissions
Drop your PDF here
or click to select a file from your device
PDF never leaves your device · 100% private · No signup
—
Encrypted
—
Enc. Method
—
PDF Version
—
Pages
—
File Size
—
Restricted
Permission Details
PDF Permission Flags
| Permission | PDF Spec Bit |
|---|---|
| Print (low-res) | Bit 3 |
| Modify content | Bit 4 |
| Copy / Extract text | Bit 5 |
| Add / Edit annotations | Bit 6 |
| Fill forms | Bit 9 |
| Extract for accessibility | Bit 10 |
| Assemble document | Bit 11 |
| Print (high-res) | Bit 12 |
Per ISO 32000-1 §7.6.3.2. Bits are only meaningful when the PDF is encrypted.
How It Works
-
1
pdf-lib parses the PDF's Encrypt dictionary and trailer from raw bytes in your browser.
-
2
Permission flags are read from the /P entry — a 32-bit integer where each bit represents one permission.
-
3
Each bit is decoded per ISO 32000-1 §7.6.3.2 and shown as Allowed or Denied.
100% Private
- PDF never uploaded to any server
- Powered by pdf-lib — runs in browser memory
- Read-only — does not modify your PDF
- No signup · No limits · 100% free
Free PDF Utilities Suite
Free & No Login Required | Zero Data Storage
📁
PDF Merger
Combine multiple PDF documents into a single file easily.
🖼️
Image to PDF Converter
Convert your photos and pictures into high-quality PDF files.
📸
PDF to Image Converter
Extract pictures and convert PDF pages into image formats.
💎
PNG to PDF Converter
Convert transparent PNG graphics into clean PDF layouts.
📝
PDF to Text Extractor
Extract text scripts directly from your PDF files online.
🖼️
JPG to PDF Converter
Batch convert JPG photographs into single PDF packages.
✂️
Split PDF Online
Separate and extract individual page sets from a large PDF.
🔢
Add PDF Page Numbers
Insert custom dynamic pagination numbers to your PDF pages.
🛡️
Add PDF Watermark
Protect documents by stamping secure watermarks onto your PDF.
🌐
HTML to PDF Converter
Render complete web pages or raw HTML files straight to PDF.
🕵️
PDF Metadata Remover
Wipe hidden author records, titles, and tags from any PDF.
🔤
Text to PDF Converter
Convert raw notepad text scripts or strings into clean PDF layout.
📉
PDF Compressor
Reduce overall file sizes while keeping clean layout PDF views.
🖼️
PDF to JPG Converter
Transform individual file layouts into high-res JPG PDF frames.
🔄
Rotate PDF Online
Flip upside-down pages or sideways views within your PDF.
👁️
PDF Viewer Online
Read and inspect structured pages inside a 100% private PDF viewer.
🍏
HEIC to PDF Converter
Convert Apple HEIC photos directly into standard ready-to-print PDF.
🔚
PDF Font Finder
Identify and inspect precise typography types used inside any PDF.
📊
PDF Sentence Counter
Analyze metric counts and fetch true sentence counts in a PDF file.
📊
PDF Table Extractor
Pull structured table information or datasheet grids from your PDF.
ℹ️
PDF Version Checker
Determine version parameters and format standards of any PDF asset.
📐
PDF to SVG Converter
Convert layouts into scalable vector graphics from high-res PDF.
🔍
PDF Image DPI Checker
Check resolution densities and pixel metrics inside embedded PDF elements.
⏱️
PDF Reading Time Estimator
Estimate total read length requirements across document text inside PDF.
🔤
PDF Character Counter
Run precise metrics tracking space allocations and letters in a PDF.
🔒
PDF Encryption Checker
Inspect security cipher algorithms and raw restriction locks on a PDF.
Free PDF Permission Checker — Check PDF Security & Restrictions Instantly
PDF permissions control what readers can do with a document. A PDF creator can restrict printing, copying text, editing content, adding comments, filling forms, and more — all using a 32-bit permission flag stored in the PDF's encryption dictionary. This tool reads those flags directly from your PDF using pdf-lib in your browser, decodes each bit per ISO 32000-1, and shows you a clear, human-readable permission report. Your file never leaves your device.
All 8 Permission Flags
Checks every PDF permission bit: print (low & high quality), copy, edit, annotate, form fill, accessibility, and assemble.
Encryption Detection
Detects whether the PDF is encrypted, and identifies the encryption method — RC4 40/128-bit or AES 128/256-bit.
Clear Allowed / Denied
Green = Allowed, Red = Denied. Instant at-a-glance view of every restriction without reading technical specs.
ISO 32000-1 Compliant
Permission bits decoded exactly per the PDF specification §7.6.3.2 — the same standard used by Adobe Acrobat.
File Metadata
Shows PDF version, page count, file size and encryption method alongside the permission report.
Copy Report
Copy the full permission report as plain text to share with colleagues, clients, or include in compliance documents.
Who Needs a PDF Permission Checker?
- Legal professionals: Verify that contracts and court filings sent by other parties have the correct restrictions — e.g. printing enabled but editing disabled.
- Content creators and publishers: Check whether a received PDF has copying restrictions before quoting, reprinting, or translating content.
- IT and compliance teams: Audit PDF documents across an organisation to verify that sensitive documents have the correct security settings applied.
- Document designers: Test that exported PDFs from InDesign, Word, or Acrobat have the intended permission settings before distribution.
- Educators and students: Check whether a PDF textbook or research paper allows text selection and copying for note-taking.
- Translators: Verify that a source PDF allows text extraction before starting a translation project — extraction-restricted PDFs require special handling.
Frequently Asked Questions
What are PDF permissions?
PDF permissions (also called PDF restrictions or access rights) are security controls built into a PDF that determine what operations a reader can perform. The PDF specification defines eight permission flags: printing (low and high quality), modifying content, copying text, adding annotations, filling forms, extracting text for accessibility, and assembling the document. These flags are stored as a 32-bit integer in the encryption dictionary and enforced by PDF viewer software.
Why does an unencrypted PDF show all permissions as allowed?
Permission restrictions only apply when a PDF has encryption enabled. If a PDF has no encryption (no password, no security settings), there is no mechanism to enforce restrictions — all operations are inherently available to any reader or software. Only encrypted PDFs with an owner password or user password applied with a restriction policy have meaningful permission flags.
Is my PDF uploaded to a server?
Never. This tool uses pdf-lib — an open-source JavaScript PDF library — to read and parse the PDF's raw bytes entirely within your browser. Permission flags are read directly from the file's binary structure in browser memory. No data is ever transmitted to any server. See our Zero Data Storage Policy.
Can this tool remove or bypass PDF restrictions?
No. This is strictly a read-only inspection tool. It reads the permission flags from your PDF and displays them — it does not modify, unlock, decrypt, or remove any restrictions. The PDF file is never written to or altered in any way. To unlock a PDF you own, you need the owner password and a PDF editor such as Adobe Acrobat.
What is the difference between user password and owner password?
A user password (also called the open password) is required to open and view the PDF. An owner password (also called the permissions password) is required to change security settings or override restrictions. A PDF can have one, both, or neither. Permissions are enforced even without a user password — a document can be freely openable but still restrict printing or copying using only an owner password.