ConvertPeach
← Home

Merge PDF

Merge PDF files free — combine multiple PDFs into one in your browser. Works even if you searched “pdf marge” or “mearge pdf”.

Your files stay on your device.

Loading your editor…

Sound familiar?

When you Google “Merge PDF”…

  • Your private files on someone else’s server.

    You have to upload the whole file, even when you only need a small change.

  • Ads to watch. Credits to buy.

    You finish the steps, then find out you have to pay or watch an ad to get your file.

  • “This format isn’t supported.”

    You find a converter, but it cannot open the file you actually have.

  • Too many buttons. No clear next step.

    A complicated interface turns a simple file task into something you have to learn.

  • A bad result. Another search.

    The tool crashes or the result is wrong. Now you have to start again somewhere else.

SO MANY issues with traditional file converters

Convert your files privatelyWith our all in one tool

No more looking for a different tool for each file format. No more going back to Google for another tool.

And no more ads!

Convert multiple files at a time

Add your files to one queue and convert them together. Less repetition, more time back.

Convert images

Turn HEIC into JPG, PNG into WebP, and more. Choose the format your next app needs.

Crop, resize and rotate images

Get the framing, dimensions and orientation you need without opening another app.

Convert videos

Convert MP4, MOV, MKV and more. Choose video quality and resolution for the job.

Convert or extract audio

Convert WAV, FLAC and other audio formats, or save the audio from a video as MP3.

Convert documents

Convert Markdown, DOCX, EPUB and more. Export documents to PDF or other supported formats.

Compress and edit PDFs

Reduce PDF file size, merge documents, split pages, add page numbers and more.

Make your files smaller

Adjust image quality, video resolution or audio bitrate to reduce file size. Results depend on the file and settings.

And much more!

Merge PDFs on your computer. Your contracts, invoices and reports stay with you.

6,576 desktop conversionsView all conversions

Internet is needed for activation and the first download of each conversion engine. Once downloaded, engines are kept for offline use.

One app. One payment.

All desktop tools, with no subscription.

  • 6,576 supported file conversions. See all conversions
  • Images, PDFs, documents, audio and video — plus image and PDF editing in one app.
  • Windows, macOS and Linux. See system requirements
  • Batch conversions: convert multiple files in one queue.
  • No daily conversion limit or per-file credits.
  • All future updates and major upgrades included.
  • Use on 3 computers. Connect once to activate, then work offline without an expiration date.
  • Get help with your specific file requirements.
  • Support independent development.
$20
Applicable taxes are calculated at checkout.The web tools stay free.

Frequently asked questions

Can I use Merge PDF in the desktop app?

Merge PDFs on your computer. Your contracts, invoices and reports stay with you.

Is the website free?

Yes. Use the web tools for free, with one file at a time in Convert and a 50 MB limit per file. Some formats require the desktop app.

Do my files leave my device?

No. Conversion and editing happen on your device. Your files are not uploaded.

Can I use the desktop app offline?

Use on 3 computers. Connect once to activate, then work offline without an expiration date. Internet is needed for activation and the first download of each conversion engine. Once downloaded, engines are kept for offline use.

Where can I find my license key?

Find your key in your purchase receipt or customer portal.

Which file formats can I convert?

ConvertPeach Desktop supports 6,576 distinct conversion pairs across images, PDFs, documents, audio and video. Browse the catalog to check your exact input and output formats before buying. Same-format exports are not included in this count. See all conversions

Can I convert multiple files at once?

Yes. Add multiple files to the desktop conversion queue and process them together. The free web converter handles one file at a time; individual editing tools have their own workflows.

Are conversions unlimited? Is there a file-size limit?

There is no daily conversion quota and no per-file credit charge. That does not mean unlimited file size: desktop limits depend on the tool, file type, available memory and storage. Document conversions accept inputs up to 64 MiB. Web tools have a 50 MB limit per file.

Does my purchase include future updates?

Yes. Your one-time purchase includes all future ConvertPeach Desktop updates and major upgrades released for the app, with no upgrade fee. Downloading updates needs internet. Specific new features and release dates are not guaranteed.

What are the desktop system requirements?

Installers are available for Windows x64 with Microsoft WebView2, macOS 13 or later on Apple Silicon or Intel, and Linux x64 or ARM64 as DEB and RPM packages. Linux targets include Ubuntu 22.04+ and Debian 12; compatibility varies by distribution. Windows setup may need internet to install WebView2. Contact support if you need to confirm your OS version before buying.

Can I use the app for commercial work or on several computers?

Yes. Your license covers your own personal and commercial work on up to three computers. Deactivate an old computer before moving its activation when possible. License keys cannot be shared or resold.

Can you help with a specific file or an unsupported format?

For conversion problems and format requests, use our public GitHub support repository. Include your input format, desired output and any error message. Do not post license keys or private files. We can investigate problems and consider requests, but cannot guarantee every file can be converted or every request will be added. Support · Request a format

For billing, licensing, or private files, email support@convertpeach.com.

Is this a subscription? How do I get the app after buying?

No. Pay $20 once, plus applicable taxes shown at checkout. After payment is confirmed, sign in with your purchase email to download the app and find your license key. Activation and the first download of any needed conversion engine require internet.

Merge PDF files into a single document when you need one attachment, one archive, or one print job instead of a folder of separate PDFs.

Drop every file you want to combine, drag them into the final order, and export one clean PDF. ConvertPeach runs entirely in your browser — nothing is uploaded. Same tool if you typed common misspellings like pdf marge, mearge pdf, or murge pdf.

How to merge PDF

  1. Drop two or more PDF files into the uploader (or pick them from your device).
  2. Drag whole files — or individual pages — into the order you want in the merged result.
  3. Click download to export the combined PDF.

You can keep adding files until the sequence looks right; the export always creates a new file and leaves your originals untouched.

Why merge PDF files in the browser

Combining PDFs on a website often means uploading contracts, scans, or client packs to someone else’s server. ConvertPeach keeps that work on your device.

  • No upload required — Files stay in the browser tab; they are never sent to ConvertPeach servers.
  • Order you control — Drag files and pages so cover sheets, exhibits, and appendices land where they belong.
  • Free to use — Merge as many batches as you need without an account or paid plan.
  • Fast local export — Processing happens on your machine, so large packs are not waiting on a remote queue.

When to merge PDFs

  • Assemble a signed packet from several single-page signature PDFs
  • Bundle invoices, receipts, or statements into one monthly archive
  • Attach a multi-part application as a single upload for a portal that only accepts one file
  • Combine scanned chapters into one manuscript before you add bookmarks elsewhere
  • Join a cover letter PDF with a resume and portfolio samples for email

Supported formats

Input Notes
PDF (.pdf) Multiple files; order in the grid becomes order in the export
Output One merged PDF download

How merging works here

Each uploaded PDF is loaded locally. You see thumbnails for pages across those files. Dragging reorders the sequence that will be written into the new document. When you export, pages are concatenated in that visual order into a fresh PDF — your source files are not overwritten.

Options you will use most

  • Multi-file upload — Add several PDFs in one pass.
  • Drag reorder — Move files or pages before export.
  • Download — Save the combined result with a clear filename.

Limits and tips

Very large files (tens of megabytes with many pages) still process in the browser; keep the tab open until download finishes. If you only need a subset of pages from one file, use Extract PDF Pages first, then merge the smaller pieces. Need a smaller merged file for a portal? Try Compress PDF after merge.

Privacy

Merge runs in your browser — files are not stored on ConvertPeach servers. Close the tab when you are done if you are on a shared computer.

Frequently asked questions

How do I merge PDF files online for free?

Drop two or more PDFs into Merge PDF, drag them into order, and download the combined file. No account and no upload to our servers.

I searched “pdf marge”, “mearge pdf”, or “murge pdf” — is this the right tool?

Yes. Those are common spellings of merge PDF. This page combines multiple PDFs into one document.

Can I change the order of files before downloading?

Yes. Drag file cards or individual page thumbnails into the sequence you want. The download reflects that order.

Does merging upload my documents?

No. Combination happens locally in your browser. Files never leave your device for this tool.

How is merge different from organize?

Merge starts with multiple PDFs and builds one file. Organize PDF Pages reorders pages inside a single document (and can insert blanks or remove pages). Use both when you first combine packs, then tidy page order.