Convert PNG to PDF Free
Convert PNG images to a PDF document — combine multiple images into one file instantly.
AI-Powered Tools Fast Online Processing High-Quality Results Instant Processing Trusted worldwide No files stored PNG to PDF Quick Info
- Input: PNG images (lossless)
- Output: Professional multi-page PDF
- Quality: Full transparency preserved
- Batch: Combine multiple PNGs
How It Works
1 Upload
Select your files
2 Convert
Processed in your browser
3 Download
Save the output file
Drop files here or click to upload
Supports JPG, PNG, WEBP • Max 25MB per file
PNG to PDF Conversion Guide
PNG images are widely used for screenshots, graphics, and images with transparency. Converting them to PDF makes them easy to share as formal documents, submit to online portals, and archive in a universally readable format.
Common Use Cases
Screenshot compilation — Combine multiple screenshots into a single PDF report. Document submission — Convert scanned PNG images to PDF for official submissions. Design portfolios — Package your PNG artwork into a professional PDF portfolio. Archiving — Store collections of PNG images as organized PDF files.
Other Conversions
Need to convert JPG instead? Use JPG to PDF. To extract images from PDF, try PDF to Image or PDF to JPG.
In-Depth Guide, Best Practices & Expert FAQs
Reviewed by Abdulkeni Abdelwahid, Editor · Last updated July 20, 2026
PNG is the format of choice for anything with sharp edges — screenshots, UI mockups, diagrams, logos. Combining PNGs into a PDF preserves that crispness in a document format everyone can open. Our tool loads each PNG into a browser canvas, embeds it into a jsPDF page at 92% JPEG quality (a good balance for viewing while keeping file size sane) and flattens transparency onto a white background so the PDF displays consistently across every viewer.
Who this tool is for
Bug reports
Combine annotated screenshots into a single PDF for the engineering team.
UI/UX design handoff
Package mockups for stakeholders who only open PDFs.
Screenshot documentation
Bundle how-to screenshots into a one-file guide.
Step-by-step workflow
- 1
Upload PNGs in order
First upload becomes page 1.
- 2
Combine
Each PNG becomes a full page with the image centred.
- 3
Download PDF
Ready to share.
Real-world examples
Product manager sharing a spec review
12 PNG mockups become one PDF the exec can flip through on their phone.
Best practices from our editors
- Keep annotations directly on the PNG so nothing is lost in flattening.
- For heavy screenshots, resize to 2× the CSS display size for retina crispness without unnecessary weight.
Common mistakes and how to fix them
✗ Expecting transparency in the PDF
✓ PDF viewers render transparency inconsistently — the tool flattens onto white for reliability.
Troubleshooting
Symptom: PDF too large
Cause: Full-resolution PNGs are huge.
Fix: Resize with our Image Resizer before combining.
Expert FAQs
Is transparency preserved in the PDF? + Transparent areas are flattened onto white for viewer consistency.
Are PNGs re-compressed? + They are transcoded to JPEG at quality 92 inside the PDF for size efficiency.
Can I combine dozens of PNGs? + Yes, 100+ works fine; watch tab memory beyond that.
Does the tool support transparent PDF pages instead? + No — combined output has a white background.
What page size is used? + A4 by default.
Can I reorder pages afterwards? + Not in the tool; re-upload in the desired sequence.
Is my file uploaded? + No — everything happens in the browser.
Will the PDF be OCR-friendly? + Not by default; feed to an OCR tool if you need searchable text.
References & further reading
Continue with related tools
JPG to PDFImage to PDFPDF to PNG