Free Tool
Merge PDF
Combine multiple PDF files into one. Free, no limits, no signup, no watermark.
100% browser-based — your files never leave your device
Merged PDF will appear here
100% Browser-Based
Files never leave your device. Unlike iLovePDF or Smallpdf, nothing is uploaded.
Unlimited, Forever
No daily caps, no file count limit, no signup. Use it 1000 times a day.
Instant Processing
No upload wait. Merging happens locally at full speed.
No Ads, No Watermark
No ads, no branding stamp. Your merged PDF is clean.
How It Works
Add PDF files
Drop files or click to browse. Add as many PDFs as you need.
Reorder
Drag files to arrange them in the order you want.
Merge & download
Click Run and your combined PDF downloads instantly.
Use Cases
Combine reports
Merge monthly reports or financial statements into a single file.
Assemble applications
Combine resume, cover letter, and certificates into one PDF.
Organize scans
Merge separately scanned pages into a complete document.
Create portfolios
Combine design or writing samples into a professional portfolio.
Who It's For
Accountants
Combine monthly invoices and receipts into one PDF for tax filing.
Students
Merge assignment pages, research papers, and appendices.
HR & Recruiting
Combine resumes, cover letters, and references into candidate packets.
Legal Teams
Merge contract pages, amendments, and signatures into one file.
RunCLI vs iLovePDF
| Feature | RunCLI | iLovePDF |
|---|---|---|
| Files stay on your device | Yes (browser-based) | No (uploaded to server) |
| Ads | Never | Yes (free tier) |
| File limit | Unlimited | 15 files (free) |
| Signup required | No | For premium |
| Watermark | Never | No |
| Price | Free forever | Free limited, €4-9/mo premium |
Nothing Uploaded
Your files are processed entirely in your browser using pdf-lib.
No Ads, No Watermark
Clean output, no branding, no popups.
Open Technology
Built with pdf-lib — open source, auditable, trustworthy.
Why RunCLI?
100% Private
Files processed in your browser. Nothing uploaded to any server.
No Limits
No daily caps, no file count limit, no signup required.
No Ads
No ads, no popups, no dark patterns. Just the tool.
Instant
No upload wait time. Merging happens locally.
Need more than PDF tools?
RunCLI offers AI-powered tools for transcription, translation, OCR, and more.
Frequently Asked Questions
Is it really free?
Yes, completely free with no limits and no ads. Use it as much as you want.
Are my files safe?
Your files never leave your browser. All merging happens locally.
Is there a file size limit?
Each PDF can be up to 100 MB. No limit on number of files.
Can I reorder pages?
Yes. Drag and drop files to change their order before merging.
Does it work on mobile?
Yes. Works in any modern browser on any device.
Does merging reduce quality?
No. Merging simply combines the PDF files as-is. There is zero quality loss — every page stays exactly as the original.
Can I merge password-protected PDFs?
Not currently. You need to remove the password protection first, then merge. We plan to add this feature soon.
How many PDFs can I merge?
There is no limit on the number of files. Merge 2 or 200 — it all happens in your browser.
Are there ads?
No. RunCLI never shows ads. Free tools are truly free.