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Merge PDF

Combine multiple PDF files into one document instantly.

How to Merge PDF Online

  1. Upload Your File: Click the upload button or drag and drop your file into the workspace above.
  2. Configure Options: Adjust any available settings such as compression level, page range, or output format.
  3. Start Processing: Click the "Start Processing" button. Your file is processed locally in your browser — no uploads to any server.
  4. Download Result: Once complete, click the download button to save your processed file instantly.

Why Use MegaTools for Merge PDF?

  • 100% Private: Your files never leave your device. All processing happens via JavaScript within your browser sandbox.
  • Zero Server Latency: No upload bandwidth needed. Processing is near-instantaneous on modern devices.
  • Completely Free: No account, no limits, no hidden paywalls. Use as many times as you need.
  • Works on Mobile: Fully responsive — works on phones, tablets, and desktops with equal performance.

Frequently Asked Questions

Is Merge PDF safe?
Yes. Your files are processed entirely in your browser using JavaScript. No data is uploaded to any server. Once you close the tab, all data is permanently gone.
Do I need an account?
No. MegaTools is completely free with no registration, no usage limits, and no hidden fees.
What file size limit?
Since processing happens on your device, the limit depends on your browser memory. Most modern browsers handle files up to 100MB+ without issues.