Merge PDF

PDFForge’s merge and split tools read the files you select inside your browser and create the result on your device. Their document-processing code does not intentionally upload your PDFs to a processing server. This helps avoid handing a separate service a copy of an entire document simply to rearrange its pages. You do not need to create an account for these tools. However, local processing is only one part of document security: it does not make an untrusted computer, browser extension, or downloaded file safe.

The website still connects to hosting services, library providers, and advertising services when it loads. Some pages also include analytics. Those requests can involve technical information such as an IP address; they are different from uploading the PDF you selected. Read the Privacy Policy for the distinction between document processing, website requests, and voluntary emails.

For sensitive work, use an updated browser on a trusted device, follow your organization’s policies, and keep an untouched original. Check the downloaded document before sharing it. On a shared computer, remove your downloads and remember that cloud-synced download folders may copy files elsewhere. Splitting, merging, and removing whole pages are not secure redaction of private text within retained pages.

Merging creates one new PDF by copying pages from several source documents into a single output document. Open Merge PDF, select at least two PDFs, and inspect the displayed file list. Arrange the files using the available ordering controls before starting the merge. PDFForge copies each document’s pages in their existing internal order, then appends the next document. For example, joining a three-page application and a two-page supporting statement should produce five pages, with the statement beginning on page four.

This operation combines existing pages rather than retyping their contents or turning every page into a screenshot. Ordinary page text and artwork can therefore remain sharp, but advanced document features need separate attention. Bookmarks, interactive forms, attachments, accessibility information, and document-level settings may not carry over as expected. A newly assembled PDF should not be treated as preserving the validity of the originals’ digital signatures.

After downloading, check the total page count and the boundary between each source document. Look for duplicate covers, unexpected blank pages, mixed page orientations, and missing content. Search for a phrase and try important links or form fields if they matter to the recipient. Keep the original files until the final submission has been accepted. Merging does not automatically compress the result, and the final size depends on the source documents and how their resources are stored.

Splitting produces new documents from selected pages of an existing PDF. It is useful when a recipient needs one chapter, an invoice from a larger packet, or an appendix without the rest of a report. Open Split PDF, choose your source document, and select the page-range mode or the option to extract individual pages. In range mode, an entry such as 1-3, 7 selects the first three PDF pages and page seven into one output. The current range selector removes repeated page selections and puts the selected pages in ascending order.

Count pages using the PDF viewer’s page positions, starting at one. Printed page labels can differ: a report may contain an unnumbered cover and a contents page before its printed page 1. Preview the source first so that your range includes the correct material. If you need a custom page sequence rather than ascending extraction, use Organize PDF to arrange the resulting pages.

Splitting leaves the original file on your device unchanged, but you should still keep a backup. Open each download, verify its first and last pages, and check that private sections are absent before sending it. Extracting fewer pages often creates a smaller attachment, although shared fonts and other resources mean size does not necessarily shrink in direct proportion to page count. Splitting cannot repair a damaged PDF or guarantee preservation of signatures and advanced forms.

The best way to reduce a PDF depends on what makes it large. Scanned documents often contain high-resolution page images, while documents exported from a word processor may already store text and vector graphics efficiently. Start by checking the recipient’s actual size limit. If only a few pages are required, extracting those pages can avoid sending unnecessary material. If you control the source document, exporting again with appropriately sized images can preserve more structure than processing a finished PDF.

PDFForge’s current Compress PDF tool renders each page as an image and creates a new PDF using adjustable image quality. This can reduce some large scans, but it is a lossy process. Small print, diagrams, and photographs may become less clear, and selectable text, searchable content, interactive elements, and accessibility structure may be lost. A compact text-based original can even become larger after this conversion. There is no guaranteed reduction percentage or universal setting that preserves every feature.

Keep the original and test a less aggressive compression setting first. Compare the downloaded file size against the original, then inspect small text and detailed graphics at normal reading size and higher zoom. Try searching and copying text if your workflow requires those features. For legal, accessible, signed, or archival documents, confirm the applicable requirements before substituting a compressed version. Use the original whenever the smaller copy does not meet those requirements.

A browser must hold source data, parsed PDF objects, and the new output in memory while it works. Available memory varies by device and browser, so a file that works on a desktop may fail on a phone. Image-heavy scans and complex documents can require much more working memory than their download size suggests. The Merge PDF interface currently allows files up to 50 MB each; that limit is not a guarantee that every combination below it will finish successfully.

First, open the source PDF in a trusted viewer to confirm that it is readable. Check whether it is password-protected, restricted, or damaged. These tools do not provide a password-removal workflow or permission to bypass a document owner’s restrictions. If you are authorized to modify a protected file, obtain a suitable unrestricted copy from its owner or export one using an approved application. Keep signed originals separately because editing can affect signature verification.

For memory-related problems, close unnecessary tabs and applications, keep the processing tab open, and try a smaller batch on a device with more available memory. Avoid repeatedly compressing an already degraded copy. If an operation fails, describe the tool, browser version, approximate file size, page count, and error message through Contact Us. Do not attach confidential PDFs. A successful download still needs a visual check: confirm page order, readability, and any features the recipient expects before relying on the output.