d•dailytoolbox

Merge PDF online free

Combine PDFs for free. Choose files, arrange them, then download one PDF.

Up to 10 files, 40 MB combined. Order shown below.

What is this tool?

Combine separate documents into one PDF when an application portal accepts only one attachment. Merging joins existing pages; it does not shrink them, translate their text or make a scanned page searchable.

How to use it

  1. Read the input labels and limits below, then choose the operation that matches your task.
  2. Choose at least two PDF files and inspect the displayed file list.
  3. Use the move buttons to put the documents in their intended reading order.
  4. Select Merge PDFs, then save and open the downloaded document.
  5. Check the result against the worked example or original file before copying, downloading or using it elsewhere.

Worked example

For a job application, put the cover letter first, the résumé second and certificates last. Check the first page of each section in the combined document. If a portal also limits file size, check the merged size before considering compression.

Questions & limits

Files are merged in the displayed order. Use Move up/down to reorder them. Encrypted PDFs must be unlocked elsewhere first. Signatures, bookmarks and interactive form behavior may not be preserved. Files stay in the browser.

How do I combine PDF files?

Choose two or more PDFs, use the arrow buttons to arrange their order, and select Merge PDFs. Download the combined file when it is ready.

Are my files uploaded?

No. Merging runs in your browser and the files remain on your device.

What are the limits?

Choose up to 10 files totalling 40 MB, with up to 500 output pages. Password-protected files need to be unlocked first. Digital signatures and interactive features may not be preserved.

Can I edit the text while merging?

No. This operation copies pages. Correct text in the original authoring application, export a new PDF, then merge that corrected version.

Before sharing the result

Keep the source file until you have opened the downloaded copy and checked every important page or image. Confirm that names, dates and small text are readable. A successful download only means a file was created; it does not prove that every visual or interactive feature survived the chosen operation. For an upload portal, check its actual file-type, page-count and size requirements. If processing fails on a large file, try a smaller source or close other memory-heavy tabs.

Related tools

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Practical guide

Prepare a PDF for email →

Features & limits

Choose 2–10 non-empty PDFs, up to 40 MB combined and 500 output pages. Reorder complete files before merging. Page content is copied without rasterizing it. Encrypted PDFs must be unlocked first; the tool cannot bypass passwords.

This tool runs in a modern browser with JavaScript enabled. It processes the values or files you enter on your device. Loading the site still makes hosting requests. The separate contact form sends messages to the administrator; it is not part of tool processing. Keep an original copy and inspect any exported result before relying on it.

Frequently asked questions

Can I edit the text while merging?

No. This operation copies pages. Correct text in the original authoring application, export a new PDF, then merge that corrected version.

What can I use merge pdf online free for?

Combine separate documents into one PDF when an application portal accepts only one attachment. Merging joins existing pages; it does not shrink them, translate their text or make a scanned page searchable.

What are this tool’s limits?

Choose 2–10 non-empty PDFs, up to 40 MB combined and 500 output pages. Reorder complete files before merging. Page content is copied without rasterizing it. Encrypted PDFs must be unlocked first; the tool cannot bypass passwords.

Can I try a worked example?

For a job application, put the cover letter first, the résumé second and certificates last. Check the first page of each section in the combined document. If a portal also limits file size, check the merged size before considering compression.

Do I need an account or upload my input?

No tool account is required. Processing takes place in your browser; your tool input is not sent to the contact inbox. Use a trusted device, keep your originals and avoid including passwords or private credentials in examples.

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