PDF Page Numbering Tool
Add page numbers to your PDFs directly in your browser
Upload PDF Files
Maximum file size: 50MB per PDF
Drag & drop PDF files here
or click to browse
Supports single or multiple PDF files
No PDF files uploaded yet
Page Preview
Preview - Page 1
Upload a PDF to see page previews
Showing first 20 pages. Total pages: 0
Page Numbering Options
Position & Alignment
Where to place page numbers
Adjust horizontal/vertical position
Font & Style
Numbering Format
Use {num} for page number, {total} for total pages
Page Range
Use commas and dashes to specify pages
All processing happens in your browser — no data is sent to any server
How To Use PDF Page Numbering Tool
Getting Started
Open the Tool: Open the HTML file in any modern web browser (Chrome, Firefox, Edge, Safari)
No Installation Required: Everything runs in your browser – no software to install
Privacy Guaranteed: All processing happens locally on your computer – no files are uploaded to any server
Uploading PDF Files
Method 1: Drag & Drop
Simply drag your PDF files from your computer and drop them onto the “Drag & drop PDF files here” area
You can select multiple PDF files at once
Method 2: Click to Browse
Click on the upload area or the “click to browse” text
Select one or multiple PDF files from your computer
Note: Maximum file size is 50MB per PDF
Viewing Uploaded Files
Uploaded files appear in the file list below the upload area
Each file shows:
File name
File size
Number of pages
Click the eye icon to select a PDF for processing
Click the trash icon to remove a PDF
Previewing Pages
Thumbnail View
After uploading, you’ll see thumbnail previews of the first 20 pages
Click any thumbnail to see a larger preview
Note: Only first 20 pages show thumbnails for performance
Large Preview
Click on any thumbnail to open a larger preview
Use the X button to close the large preview
Navigate between pages by clicking different thumbnails
Setting Page Number Options
1. Position & Alignment
Position: Choose where page numbers appear (Top/Bottom Left/Center/Right)
X Offset: Adjust horizontal position (-200 to +200 pixels)
Y Offset: Adjust vertical position (-200 to +200 pixels)
Tip: Use offsets for fine-tuning if numbers don’t align perfectly
2. Font & Style
Font Family: Choose from 6 standard fonts (Helvetica, Arial, Times New Roman, etc.)
Font Size: Adjust from 8pt to 48pt using the slider
Font Color: Pick any color using color picker or enter hex code
Opacity: Make numbers more or less transparent (10% to 100%)
3. Numbering Format
Numbering Style: Choose from:
Arabic (1, 2, 3)
Roman numerals (i, ii, iii)
Uppercase Roman (I, II, III)
Alphabet (a, b, c)
Uppercase Alphabet (A, B, C)
Start Number: Choose which number to start from (default: 1)
Custom Format: Use placeholders:
{num}= page number{total}= total pagesExample: “Page {num} of {total}”
Page X of Y: Checkbox for automatic “Page X of Y” format
4. Page Range
Apply to pages: Choose where to add numbers:
All pages
Odd pages only
Even pages only
Custom range
Custom Range: Specify pages using:
Single pages: “1,3,5”
Ranges: “1-5”
Combined: “1,3,5-8,10”
Processing Your PDF
Step 1: Select PDF
Click the eye icon next to your desired PDF in the file list
The selected PDF will be highlighted in blue
Step 2: Configure Options
Adjust all settings as needed
Settings are automatically saved for next time
Step 3: Add Page Numbers
Click the “Add Numbers To PDF” button
Wait for processing to complete (progress bar will show)
Note: Large PDFs with many pages may take longer
Step 4: Download
After processing, click “Download Numbered PDF”
File will be saved as
[original-name]-numbered.pdfThe processed PDF is ready to use!
Additional Features
Reset Settings
Click “Reset Settings” to restore all options to defaults
Useful if you’ve made many changes and want to start fresh
Clear Files
Click “Clear Files” to remove all uploaded PDFs
Note: This cannot be undone
Multiple Files Workflow
Upload multiple PDFs
Select first PDF, add numbers, download
Click eye icon on second PDF
Add numbers, download
Repeat for all files
Tips & Best Practices
For Best Results
Test First: Process 1-2 pages first to check positioning
Use Offsets: Fine-tune position with X/Y offsets if needed
Check Preview: Always review thumbnails before processing
Save Settings: Your preferences are saved automatically
Troubleshooting
“Preview failed”: Try uploading the PDF again or use a different PDF
Large files: Split PDFs over 50MB into smaller files
Format issues: Ensure PDF is not password-protected or corrupted
Position problems: Use X/Y offsets to adjust number placement
Supported Browsers
✅ Google Chrome (recommended)
✅ Mozilla Firefox
✅ Microsoft Edge
✅ Safari
✅ Opera
Privacy & Security
Your Data Stays Local
✅ No internet connection required after loading
✅ No files uploaded to servers
✅ No data collection or tracking
✅ All processing in your browser
File Handling
Files are stored temporarily in browser memory
Closing the browser clears all data
No files remain on your computer after closing
Keyboard Shortcuts
Navigation
Tab: Move between interactive elements
Enter/Space: Activate buttons or upload area
Escape: Close large preview
Accessibility
Screen reader compatible
Keyboard navigation supported
High contrast elements
Clear focus indicators
Need Help?
Common Questions
Q: Can I add numbers to multiple PDFs at once?
A: No, process one PDF at a time for best results
Q: Why can’t I see all page thumbnails?
A: For performance, only first 20 pages show thumbnails
Q: My page numbers are cut off, what to do?
A: Adjust X/Y offsets or reduce font size
Q: Can I use custom fonts?
A: Only standard PDF fonts are supported for compatibility
Q: Does it work on mobile?
A: Yes, but desktop is recommended for better control
Limitations
Maximum 50MB per PDF
Password-protected PDFs not supported
Only first 20 pages show thumbnails
Page count limited by browser memory
Quick Start Guide
Upload your PDF file
Select the PDF from the list
Choose position (Bottom Center recommended)
Adjust font size (12pt works for most)
Select numbering style (Arabic 1,2,3)
Click “Add Numbers To PDF”
Wait for processing
Download your numbered PDF
That’s it! Your PDF now has professional page numbers, ready for printing or sharing.