Free Online PDF Editor

Micro PDF’s PDF editor lets you modify PDF content directly in your browser—no professional software installation required. Supports adding/deleting text, replacing images, adjusting page order, inserting blank pages, and more. Real-time preview shows modification effects instantly, perfect for correcting contract typos, adding annotations, or adjusting document structure.

Whether you need simple text changes or complex page adjustments, Micro PDF meets your needs while maintaining original file format consistency. Core features are completely free.

Table of Contents

• Key Features
• How to Edit PDF Files with Micro PDF
• Core Editing Features & Techniques
• Post-Editing PDF Optimization Tools
• Cross-Platform Support & Editing Experience
• Frequently Asked Questions

Key Features

• Full-featured editing: Supports text editing (modify/add/delete), image processing (replace/crop/delete), and page operations (insert/delete/rotate/rearrange).
• Format matching: Automatically identifies original font, size, and color; new text maintains consistent styling.
• Real-time preview: Displays effects instantly during editing—no need to repeatedly save and check.
• Free core features: Basic text and page editing completely free with no usage limits—no registration required.
• Simple operation: Word-like editing interface; drag-and-drop element positioning suitable for beginners.

How to Edit PDF Files with Micro PDF

The Micro PDF PDF editor is intuitive—4 steps to complete modifications:

1. Visit the Micro PDF website: Micro PDF and click the Edit PDF tool.
2. Upload your PDF file (drag-and-drop supported; 1 file per session, max 30MB).
3. Enter the editing interface and use the left toolbar to select functions (e.g., “Text” “Images” “Pages”):
   • Text editing: Double-click text areas to modify content, or click “Add Text” to insert new text.
   • Image processing: Click images to “Replace” “Delete” or drag to adjust positions.
   • Page operations: Right-click page thumbnails to “Insert Page” “Delete Page” or drag to reorder.
4. Click Save Changes, generate the new PDF, then click Download File.

Pro Editing Tips

• Batch text modification: Hold Ctrl (desktop) to multi-select text areas and modify font or color simultaneously.
• Quick element alignment: Use alignment tools (left/center/right) for cleaner layouts.
• Hide sensitive information: Use the “Censor” tool to cover phone numbers, ID numbers, etc.—cannot be recovered.

Core Editing Features & Techniques

Micro PDF provides rich editing tools for diverse needs:

• Text tools:
  • Modify existing text: Edit content, adjust fonts (SimSun, SimHei, etc.), sizes (10-72pt), colors, and alignment.
  • Add new text: Insert text boxes, freely drag positions—ideal for annotations or supplementary notes.
• Image tools:
  • Replace images: Upload local images to replace existing PDF images; auto-adapt to original size or manual adjustment.
  • Crop/rotate: Crop excess image parts or rotate 90°/180° for direction adjustment.
  • Delete images: One-click removal of unwanted images; retain blank areas or fill with background color.
• Page tools:
  • Insert pages: Add blank pages, import from other PDFs, or copy existing pages.
  • Delete pages: Check unwanted pages for deletion; support batch deletion by page range (e.g., pages 1-3).
  • Rotate pages: Convert landscape to portrait or correct skewed scanned pages (90°/180°/270°).

Post-Editing PDF Optimization Tools

After editing, use Micro PDF’s other tools for further processing:

• PDF compression: If edited files become larger, compress to reduce size for sharing.
• PDF merge: Combine edited PDFs with other files into complete documents.
• PDF encryption: Set password protection for sensitive documents (e.g., contracts) after modification.
• PDF conversion: Convert edited PDFs to Word, images, etc., for cross-platform use.

Cross-Platform Support & Editing Experience

Micro PDF editing tools adapt to different devices while ensuring consistent experience:

• Web browser: Full editing features on desktop browsers; supports keyboard shortcuts (e.g., Ctrl+C/V) for complex editing.
• Mobile app: Micro PDF WeChat Mini Program supports basic text modification and page deletion; touch-screen operations convenient for quick corrections.
• Desktop client: Offline editing for large files (200MB+); 30% faster than web version with local auto-save support.

Frequently Asked Questions

1. Will edited PDFs have formatting issues?

Generally no. The tool automatically matches original file format, though complex layouts (multi-column, special fonts) may show minor deviations—preview recommended after editing.

2. Which editing features can free users access?

Free users access all basic features: text modification/addition, image replacement/deletion, page insertion/deletion/rotation with no limits. VIP users unlock advanced features (OCR text editing, batch font replacement).

3. Can I edit text in scanned PDFs?

Scanned PDFs are essentially images. First use the OCR tool to convert images to editable text, then edit (basic OCR free; high-precision recognition is VIP).

4. Does the tool auto-save during editing?

Web version auto-saves every 30 seconds; close browser and re-upload to restore progress. Desktop version supports real-time auto-save to prevent accidental loss.

5. Can I edit password-protected PDFs?

Yes. Enter password to remove restrictions (local decryption only), then edit and optionally re-encrypt to protect modified content.

6. What if edited text doesn’t match original fonts?

Manually select similar fonts from the font library, or use “Match Original Font” (VIP) to automatically analyze and recommend closest fonts.

7. Do edited PDFs have Micro PDF watermarks?

Free users’ edited PDFs have no watermark—suitable for formal use. Only when using advanced editing features (batch replacement) do VIP upgrades remove watermarks.