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Combine Multiple PDF Files into One

Upload multiple PDFs in any order and download them as one file. Free, no account needed, works in any browser.
  • No sign-up
  • Files up to 200 MB
  • Deleted after 120 minutes
  • Secure

Ready tools

Merge PDF

Combines multiple PDFs into one file. Useful when you need one file instead of many, for example a contract plus its appendix.

Split PDF

Splits a PDF into separate pages or ranges. Useful when you need to share a large document in parts or keep only specific sections.

Split every N pages

Splits a PDF into chunks of every N pages. Useful for large PDFs that are easier to send in fixed-size chunks.

Insert pages

Inserts pages from one PDF into another at a selected position. Useful when you need to quickly add a cover, appendix, or a new section.

Compress PDF

Reduces PDF size without complex settings. Useful when the PDF is too large for email, messengers, or portal uploads.

PDF to Grayscale

Converts a color PDF to grayscale. Useful for printing and toner savings when color is not required.

PDF to JPG

Converts PDF to JPG. Useful when you need to quickly turn PDF into JPG for editing, sharing, or archiving.

HEIC to JPG

Converts HEIC to JPG. Useful when you need to quickly turn HEIC into JPG for editing, sharing, or archiving.

JPG to PDF

Converts JPG to PDF. Useful when you need to quickly turn JPG into PDF for editing, sharing, or archiving.

Remove pages

Removes unnecessary pages from a PDF. Useful to remove unnecessary pages before sharing with clients or publishing.

Remove blank pages

Automatically removes blank pages from a PDF. Useful for scanned files where blank pages often appear after digitizing.

Extract pages

Extracts selected pages into a new PDF. Useful when you need to send only a selected fragment from a large file.

Organize PDF

Reorders pages in a PDF. Useful when pages are out of order and you need to restore correct flow.

Scan to PDF

Converts scans/images to PDF. Useful when you need to quickly turn scans/images into PDF for editing, sharing, or archiving.

Repair PDF

Attempts to repair a damaged PDF. Useful if a PDF cannot be opened or shows read errors in viewers.

Rotate PDF

Rotates PDF pages to the required angle. Useful for scanned pages with wrong orientation before reading or printing.

Add page numbers

Adds page numbers to a PDF. Useful for reports and manuals where page references must be clear.

Add watermark

Adds a text watermark to PDF pages. Useful to mark documents as draft, confidential, or internal.

Image watermark

Adds an image watermark on top of PDF pages. Useful to add your company logo and brand the document visually.

Crop PDF

Crops margins and visible area of PDF pages. Useful to remove extra margins and scan borders for cleaner pages.

PDF to Word

Converts PDF to Word. Useful when you need to quickly turn PDF into Word for editing, sharing, or archiving.

PDF to PowerPoint

Converts PDF to PowerPoint. Useful when you need to quickly turn PDF into PowerPoint for editing, sharing, or archiving.

PDF to Excel

Converts PDF to Excel. Useful when you need to quickly turn PDF into Excel for editing, sharing, or archiving.

PDF to PDF/A

Converts PDF to PDF/A. Useful when you need to quickly turn PDF into PDF/A for editing, sharing, or archiving.

PDF to HTML

Converts PDF to HTML. Useful when you need to quickly turn PDF into HTML for editing, sharing, or archiving.

PDF to Text

Converts PDF to text. Useful when you need to quickly turn PDF into text for editing, sharing, or archiving.

OCR PDF

Recognizes text in scanned PDFs (OCR). Useful when you need searchable and copyable text from scanned documents.

Word to PDF

Converts Word to PDF. Useful when you need to quickly turn Word into PDF for editing, sharing, or archiving.

PowerPoint to PDF

Converts PowerPoint to PDF. Useful when you need to quickly turn PowerPoint into PDF for editing, sharing, or archiving.

Excel to PDF

Converts Excel to PDF. Useful when you need to quickly turn Excel into PDF for editing, sharing, or archiving.

HTML to PDF

Converts HTML to PDF. Useful when you need to quickly turn HTML into PDF for editing, sharing, or archiving.

Unlock PDF

Removes PDF protection when the correct password is provided. Useful when you have the password and need to remove editing or printing restrictions.

Protect PDF

Adds password protection to a PDF. Useful to protect PDFs before sending them through email or public channels.

Sign PDF

Adds a signature to a PDF. Useful when you need to approve a document quickly and mark it as signed.

Annotate PDF

Adds notes and highlights to PDF pages. Useful for collaboration: add comments and highlights directly on pages.

Redact PDF

Permanently redacts sensitive data in a PDF. Useful before publishing to permanently hide personal or sensitive data.

Compare PDF

Compares two PDFs and highlights differences. Useful for version control to quickly see what changed between two files.

Edit PDF

Performs basic PDF editing. Useful for small corrections without rebuilding the whole document elsewhere.

Set PDF metadata

Updates PDF metadata such as title and author. Useful for document hygiene so files are easier to search in archives.

PDF Filler

Fills PDF form fields. Useful when you need to complete a standard form and export a ready PDF.

Copy PDF

Creates a copy of a PDF or its pages. Useful when you need duplicates for archive, internal use, or multiple recipients.

Translate PDF

Translates the text of a PDF into another language while keeping the original layout. Supported languages: Russian and English. Useful when you need to quickly read or share a document in another language without manual translation.

Select file

Drag & drop file here

or click to browse

Parameters

Leave empty to use the default tool file name.

Sets a custom file name for the generated result.

Adds a blank page between each merged document.

What this tool does

Combines multiple PDFs into one file. Useful when you need one file instead of many, for example a contract plus its appendix.

Example: q1.pdf + q2.pdf -> report-merged.pdf

No jobs

Combine Multiple PDF Files into One

Upload multiple PDFs in any order and download them as one file. Free, no account needed, works in any browser.

File order is page order

When you upload files, the order you add them determines the order they appear in the merged result. The first file becomes the first section, the second file follows, and so on. If you are on the upload screen and the order is wrong, drag files into the correct sequence before starting. There is no way to reorder sections after the job completes, so it is worth spending a few seconds on this before uploading. If one source file needs its own pages reordered before merging, use the Organize PDF tool first, then come back here.

What gets preserved and what does not

Text, images, and page layout are all preserved. Each page keeps exactly the appearance it had in the source file. Hyperlinks to external URLs are preserved. Internal cross-references, such as a table of contents that links to specific pages within the same file, usually break in the merged result because the page numbers change. Bookmarks are not carried over from source files. Fillable form fields become static text in the merged output. If you are merging contract attachments, financial reports, or any documents where interactivity matters, check the merged file before sending.

Different page sizes in the same file

Merging files with different page sizes works fine. If one source is A4 portrait and another is letter landscape, the merged result contains both without any automatic resizing. This is usually what you want. If you need a uniform page size across the entire merged document, you would need to convert each source file to a consistent size first, which is a separate step not covered by the merge tool itself.

Password-protected files

If any of the source PDFs are password-protected, the merge will fail or skip that file. Remove the password first using the Unlock PDF tool, then proceed with the merge. If you do not have the password for a protected PDF, you cannot merge it with other files. This is a deliberate restriction built into the PDF specification.

Large merge jobs

Combining 20 or more files works, but upload time increases proportionally. If you have a slow connection or are merging large scanned documents, the process may take a few minutes. There is no strict page count limit, but the total upload size should stay reasonable. If you are combining a large number of scanned PDFs and the job feels slow, consider compressing the individual files first to reduce total upload size. It is also worth splitting a very large merge job into two or three smaller batches and then merging the results.

After downloading: what to check

Open the merged file and go directly to the last page. Confirm the total page count is what you expect. Then go to the boundary between each source file and check that the transition makes sense: the last page of source one is followed by the first page of source two. If the order is wrong, run the merge again with files in the correct sequence. Also check that any external hyperlinks you need are still clickable, and verify that any form fields that should be fillable are not now static.

Before merging: quick checklist

  • Arrange files in the exact order they should appear in the final document before uploading.
  • If any source file needs its pages reordered, do that with Organize PDF first.
  • Remove password protection from any locked source files before starting.
  • If bookmarks or fillable fields matter in the merged result, verify them after download.
  • For large jobs: compress individual files first to reduce upload time.

Frequently asked questions

Can I reorder pages within each source file before merging?

Not directly during the merge step. Open each file with the Organize PDF tool, reorder its pages, download the result, and then use those reordered files as inputs for the merge.

Will bookmarks and hyperlinks work in the merged file?

External hyperlinks (URLs to websites) are preserved. Internal bookmarks and table-of-contents links that point to specific pages within a source file usually break in the merged result, because the page numbers change when files are combined.

Is there a file count or total size limit?

Current file-count and total-size limits depend on the selected tool and plan. Check the upload interface before starting; for larger sets, merge in batches.

Can I merge password-protected PDFs?

No. Use the Unlock PDF tool to remove the password first, then merge. If you do not have the password, the file cannot be merged.

What if I merged files in the wrong order?

Run the merge again with the files in the correct order. There is no way to reorder sections in the output without re-merging the source files.

Security and limits

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