Best Free PDF Editors (2026)
Edit text, add images, fill forms, sign documents. No Adobe subscription needed.
Quick Comparison: Free PDF Editors
| Editor | Platform | Edit Text | Add Images | Fill Forms | Best For |
|---|---|---|---|---|---|
| PDF-XChange | Windows | ✓ | ✓ | ✓ | Power users |
| Preview | Mac | Limited | ✓ | ✓ | Quick edits |
| LibreOffice Draw | All | ✓ | ✓ | ✓ | Heavy editing |
| Sejda | Online | ✓ | ✓ | ✓ | No install |
| Smallpdf | Online | Limited | ✓ | ✓ | Simple tasks |
| Foxit Reader | All | Limited | ✓ | ✓ | Annotations |
1. PDF-XChange Editor (Best Free for Windows)
The most powerful free PDF editor available. Rivals paid software in features.
Free Features:
- Edit existing text – Change font, size, color
- Add new text boxes – Type anywhere on the page
- Insert images – JPG, PNG, BMP support
- Annotate – Highlight, underline, strikethrough
- Fill forms – Interactive and flat forms
- Add signatures – Draw, type, or image
- OCR – Make scanned PDFs searchable
How to Edit PDF Text:
- Download from pdf-xchange.com (free version)
- Open your PDF
- Click Edit → Edit Content → Edit Text
- Click on any text to modify it
- Save with File → Save As
2. Mac Preview (Built-in, No Download)
Every Mac includes Preview, which handles basic PDF editing surprisingly well.
What Preview Can Do:
- Add text – Insert text boxes anywhere
- Add shapes – Rectangles, circles, arrows
- Sign documents – Use trackpad or camera
- Fill forms – Click and type in form fields
- Annotate – Highlight, underline, notes
- Merge PDFs – Drag pages between documents
What Preview Cannot Do:
- Edit existing text (can only add new text)
- Reflow text after editing
- OCR scanned documents
How to Add Text in Preview:
- Open PDF in Preview
- Click Tools → Annotate → Text
- Click where you want text, then type
- Drag text box to position
- Save with Cmd + S
3. LibreOffice Draw (Best for Heavy Editing)
Open-source office suite that can open and fully edit PDFs like Word documents.
Key Features:
- Full text editing – Change any text like a Word doc
- Reflow support – Text adjusts when you add/remove content
- Image editing – Resize, crop, replace images
- Page management – Add, delete, reorder pages
- Export options – Save back to PDF or other formats
How to Edit:
- Download LibreOffice from libreoffice.org
- Open LibreOffice Draw
- File → Open → select your PDF
- Edit text by clicking on it
- File → Export as PDF
4. Sejda PDF Editor (Best Online Editor)
Powerful browser-based editor. No software installation required.
Free Tier Includes:
- 3 tasks per hour
- Files up to 50MB / 200 pages
- Full text editing
- Add images and shapes
- Fill and sign forms
- Whiteout (redact) content
How to Use:
- Go to sejda.com/pdf-editor
- Upload your PDF
- Use toolbar to edit text, add images, etc.
- Click "Apply changes"
- Download edited PDF
Privacy: Files are automatically deleted after 2 hours.
5. Smallpdf (Simplest Online Option)
Clean interface for basic edits. Great for quick tasks.
Free Features:
- Add text boxes
- Insert images
- Draw freehand
- Add shapes
- Highlight text
Limitations:
- Cannot edit existing text
- 2 free tasks per day
- Watermark on some features
Best for: Adding signatures, filling forms, simple annotations.
6. Foxit PDF Reader (Best for Annotations)
Free reader with excellent annotation and form-filling capabilities.
Free Features:
- Comprehensive annotation tools
- Fill interactive forms
- Add stamps and signatures
- Comment and collaborate
- Measure distances and areas
Editing Limitations:
Cannot edit existing PDF text in free version. Need Foxit PDF Editor (paid) for full editing.
Editing Scenarios: Which Tool to Use
Scenario 1: Fix a typo in a PDF
Best tool: PDF-XChange Editor (Windows) or Sejda (online)
Both allow you to click on existing text and modify it directly.
Scenario 2: Fill out a PDF form
Best tool: Any PDF reader (Adobe Reader, Preview, Foxit)
All major readers can fill interactive PDF forms for free.
Scenario 3: Sign a document
Best tool: Preview (Mac) or Smallpdf (online)
Preview lets you create signatures using your trackpad. Smallpdf has easy signature tools.
Scenario 4: Add images or logos
Best tool: PDF-XChange Editor or LibreOffice Draw
Both offer precise image placement and sizing.
Scenario 5: Redact sensitive information
Best tool: Sejda or PDF-XChange Editor
Use "whiteout" tool to permanently remove content (not just cover it).
Scenario 6: Completely rewrite a PDF
Best tool: LibreOffice Draw or convert to Word first
For major changes, it's often easier to convert to an editable format.
Why PDF Editing Is Difficult
PDFs were designed for viewing and printing, not editing. Understanding why helps set realistic expectations:
- Fixed layout – Text doesn't reflow like Word documents
- Embedded fonts – Your system may not have the original fonts
- Flattened content – Some PDFs have text as images
- Security restrictions – Creator may have disabled editing
Workaround: For heavily restricted or complex PDFs, convert to Word using PDF to Word converter, edit there, then export back to PDF.
Adobe Acrobat: Is It Worth Paying?
Adobe Acrobat Pro costs $20/month. Here's when it makes sense:
Worth it if you need:
- Perfect text editing with font matching
- Batch processing many PDFs
- Advanced form creation
- Legal-grade redaction
- Compare PDF versions
Free alternatives work fine for:
- Occasional editing
- Form filling and signing
- Basic annotations
- Adding images and text boxes