Documentation

Overview

PDFox is a professional-grade PDF editor that runs entirely in your browser. No downloads, no installations, no accounts required. Edit, sign, annotate, and share PDF documents with enterprise-level features at a fraction of the cost of traditional solutions.

Quick Start

Get started with PDFox in three simple steps:

Interface Guide

The PDFox interface is designed for efficiency and ease of use:

Toolbar

The main toolbar at the top contains all editing tools:

• Open PDF - Load a new document
• Save - Download your edited PDF
• Add Text - Insert new text anywhere
• Edit Text - Modify existing text
• Signature - Add your signature
• Draw - Freehand drawing tool
• Shapes - Add rectangles, circles, lines
• Highlight - Highlight text passages
• Stamp - Add predefined stamps
• Image - Insert images
• Redact - Black out sensitive content

Page Navigation

Navigate between pages using:

• Page thumbnails in the sidebar
• Previous/Next buttons
• Page number input for direct navigation
• Scroll wheel on the document

Zoom Controls

Adjust document zoom using the zoom buttons or dropdown. You can also use Ctrl + + / - to zoom in and out.

Text Editing

Adding New Text

To add new text to your PDF:

1. Click the Add Text tool in the toolbar
2. Click anywhere on the document where you want to place text
3. Type your content in the text box that appears
4. Use the formatting options to adjust font, size, and color
5. Click outside the text box to confirm

Editing Existing Text

To modify existing text:

1. Select the Edit Text tool
2. Click on the text you want to edit
3. Make your changes directly
4. Click outside to save changes

Text Formatting Options

• Font Family - Choose from available fonts
• Font Size - Adjust text size (8-72pt)
• Bold / Italic - Apply text styles
• Text Color - Pick any color
• Alignment - Left, center, or right align

Signatures

PDFox offers multiple ways to create legally-binding electronic signatures:

Creating a Signature

Placing Your Signature

1. Create or select your signature
2. Click on the document where you want to place it
3. Drag to reposition if needed
4. Use corner handles to resize

Annotations

Add notes, highlights, and comments to your documents:

Highlight Tool

Select text and apply highlights in various colors. Great for reviewing documents or marking important passages.

Drawing Tool

Freehand drawing for marking up documents, circling items, or adding handwritten notes.

Shapes

• Rectangle - Draw boxes around content
• Circle/Ellipse - Highlight circular areas
• Line - Draw straight lines
• Arrow - Point to specific content

Comments

Add text comments that appear as icons on the document. Click to expand and read the full comment.

Form Filling

PDFox automatically detects fillable form fields in your PDF documents.

Auto-Detection

When you open a PDF with form fields, PDFox highlights them automatically. Simply click on a field and start typing.

Supported Field Types

• Text fields - Single and multi-line
• Checkboxes - Click to check/uncheck
• Radio buttons - Select one option
• Dropdown menus - Choose from options
• Date fields - Date picker available
• Signature fields - Insert your signature

Images & Stamps

Adding Images

1. Click the Image tool
2. Select an image file (PNG, JPG, GIF supported)
3. Click on the document to place the image
4. Drag corners to resize, maintaining aspect ratio

Stamps

Quick-access stamps for common document needs:

• APPROVED / REJECTED
• DRAFT / FINAL
• CONFIDENTIAL
• FOR REVIEW
• COPY / ORIGINAL
• Date stamps

Redaction

Permanently remove sensitive information from your documents.

How to Redact

1. Select the Redact tool
2. Click and drag to select the area to redact
3. The selected area will be marked for redaction
4. Save the document to apply redactions permanently

Redaction vs. Highlighting

Unlike black highlighting, proper redaction removes the underlying content completely. The data is deleted from the PDF, not just covered.

AI Text Recognition (OCR)

Convert scanned documents and images into editable, searchable text using our AI-powered OCR technology.

When to Use OCR

• Scanned paper documents
• PDFs created from photos
• Documents with text as images
• Old documents without selectable text

How It Works

1. Open your scanned PDF
2. PDFox automatically detects if OCR is needed
3. Click "Run OCR" when prompted
4. Wait for processing (varies by document size)
5. Text becomes editable and searchable

Document Sharing (Pro)

Share your documents securely with anyone via unique links.

Creating a Share Link

1. Click the Share button
2. Optionally set a password for protection
3. Click "Create Link"
4. Copy and send the link to recipients

Share Link Features

• 24-hour expiry - Links automatically expire for security
• Password protection - Optional password requirement
• View & download - Recipients can view and download
• No account needed - Recipients don't need PDFox accounts

Keyboard Shortcuts

Speed up your workflow with these keyboard shortcuts: