Edit PDF (Sign & Annotate)

Simply add checkmarks and signatures to PDF

How to Use

  1. Upload PDF: Upload your PDF file
  2. Select Tool: Choose from check, X, circle, signature, draw, or text
  3. Add Annotations: Click to add at desired location
  4. Save: Download edited PDF

Drop PDF file here

Supported format: .pdf (Max 100MB)

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Why iTool is Great

File Size Limits

PDF size is limited to 100MB for efficient browser memory usage.

When to Use

FAQ

How do I add a signature?

Click the signature button, then draw or upload an image. Drag and resize to adjust position and size.

How do I change colors?

Click the color button (round circle) to choose from 14 presets or pick a custom color. Selected color applies to all new elements.

How do I change text formatting?

Select the text tool to see options at the top. Choose font (Nanum Gothic/Nanum Myeongjo/Times New Roman), size (8~72), bold (B), italic (I), or underline (U).

Can I adjust line width?

Yes! Select the draw tool to see line width options. Use thin/medium/thick buttons or slider (1~20px).

Can I delete mistakes?

Yes! Click an element with the select tool, then press the delete button or Delete key.

How do I zoom?

Use +/- buttons to zoom in 10% steps (50%~200%). Reset button returns to 100%, fit width adjusts to screen. Drag with hand tool to pan.

Can I edit multi-page PDFs?

Yes! Use page navigation buttons (◀ ▶) to move between pages. Each page can be edited independently.

Is my PDF sent anywhere?

No! All work happens in your browser. Your PDF never leaves your device.

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