Split Scanned PDF Documents
Scanned PDFs are typically image-based documents where every page is essentially a high-resolution photograph of a physical paper original.
Preserves original scan resolution
No image re-compression
Works on image-based PDFs
Free, no sign-up
- Cost
- Free tier
- Sign-up
- Not required
- Processing
- Tool-specific
- Privacy
- Clearly disclosed
Add this PDF Splitter to your website
Drop the PDF Splitter into a blog post, product docs, intranet, or school portal with one iframe. Processing, privacy, and usage limits are the same as on the full tool page.
- One copy-ready line of HTML
- Responsive — adapts to any container width
- No API credentials are placed in the snippet
Embed code
<iframe
src="https://www.fixtools.io/pdf/pdf-splitter?embed=1"
width="100%"
height="780"
frameborder="0"
style="border:0;border-radius:16px;max-width:900px;"
title="PDF Splitter by FixTools"
loading="lazy"
allow="clipboard-write"
></iframe>Attribution-friendly: a small "Powered by FixTools" link appears in the embed footer.
Image-heavy PDFs, scanned document structure, and resolution preservation during splitting
A scanned PDF differs fundamentally from a text-based PDF in its internal structure, and understanding the difference helps explain how the splitter handles each type. A text PDF contains vector fonts, structured text strings positioned at specific coordinates on the page, and compressed image objects for any embedded photographs that appear alongside the text. A scanned PDF, by contrast, typically contains one raster image object per page, encoded as a JPEG photograph for color or grayscale scans, a JPEG2000 image for higher-compression archival scans, or a CCITT Group 4 compressed bitmap for black and white document scans. The text visible in the scanned image is not selectable or searchable in the file unless optical character recognition has been applied separately to embed a text layer behind the image. When FixTools splits a scanned PDF, it is separating those page-sized image objects into new PDF containers with no text processing or font subsetting required, just clean image extraction.
Resolution is the single most important quality parameter for scanned PDFs because it determines how much detail the digital image can preserve from the physical original. Standard office scanning produces 200 to 300 DPI for everyday documents and 600 DPI for signature pages or fine-detail pages where line work and small text matter. Legal and archival scanning programs often specify 300 DPI color or 400 DPI grayscale as their baseline standard for evidentiary or compliance reasons. A single 300 DPI color letter-size page measuring 8.5 by 11 inches contains 3300 by 2550 pixels of image data and typically compresses to between 300 kilobytes and 1.5 megabytes as JPEG depending on the complexity of the page content. When FixTools extracts that page into a split output file, it copies the image data byte-for-byte from the source PDF without re-encoding the image, so the output has exactly the same pixel dimensions, DPI metadata, and compression format as the original scan.
For high-volume scanned document archives such as medical records, legal discovery productions, insurance claim files, and government records management systems, splitting is often a necessary prerequisite step before downstream OCR processing can run efficiently. Many OCR systems perform better on smaller input files and can be configured to process a batch of individual page PDFs in parallel rather than one large multi-page scan in a single sequential job. Splitting a 200-page scanned record into 200 individual page PDFs before running OCR allows the work to be parallelized across multiple CPU cores or worker processes, and it makes it considerably easier to identify and reprocess specific pages where OCR accuracy is low without having to rerun the whole document. After OCR completes on each page, the pages can optionally be merged back together into a single searchable document using the FixTools PDF Merger.
A useful detail about scanned PDF structure worth knowing is how the image objects relate to the page tree. Each page in a scanned PDF references one or more XObject image resources defined in the document's shared resource dictionary. When FixTools splits the document, it copies the page tree node along with the specific XObject references that page uses, and it includes only those referenced XObjects in the output file. Shared resources that happen to be referenced by other pages outside the split range are not copied into the output, which keeps the resulting file sizes as small as possible without duplicating data. This is especially helpful for scanned documents where image XObjects are typically the largest objects in the file and account for the vast majority of overall file size.
How to use this tool
Upload your scanned PDF and choose how to split it. FixTools extracts the scanned image pages without altering their resolution or quality.
How It Works
Step-by-step guide to split scanned pdf documents:
- 1
Upload your scanned PDF
Open the PDF Splitter in your browser and upload your scanned PDF by either dragging it onto the upload area or using the file picker. Scanned files are often large because of the embedded image data, so allow extra time for loading on slower connections or for parsing large documents in the browser. The total page count and approximate file size appear after the initial parse step.
- 2
Preview page thumbnails
The tool shows thumbnail previews of each scanned page so you can visually identify the natural split points in the document. Boundaries between distinct documents within a bundle often show up as blank separator pages, page numbering resets, or visibly different header formatting. Scrolling through the thumbnails quickly is the fastest way to map the structure of a multi-document scan.
- 3
Set your split parameters
Enter a page range or select multiple ranges to extract from the scanned document depending on your needs. For a bundle of separate documents, define one range per logical document so each becomes its own output file. For a single long document where you only need a section, enter a single range covering the pages of interest and ignore the rest of the file.
- 4
Split and download
Click the Split PDF button and download the resulting scanned-page PDFs from the links that appear after processing completes. The output files retain the original scan resolution byte-for-byte without any re-compression. Save them under descriptive names that reflect their content rather than the default sequential numbers, especially for bundles where each output represents a distinct document.
Real-world examples
Common situations where this approach makes a real difference:
Medical records coordinator
A hospital records coordinator receives a 120-page scanned patient chart bundle as a single consolidated PDF from a referring clinic that scanned its paper records in bulk. She needs to split the bundle into 6 individual patient charts of approximately 20 pages each based on the blank separator sheets the referring clinic inserted between patients. She uses FixTools to define 6 page ranges identified by visually scanning the thumbnail preview for blank separator pages, producing 6 standalone scanned PDFs at the original 300 DPI quality ready for upload to the hospital electronic health record system without any loss of evidentiary integrity.
Law firm paralegal
A litigation paralegal at a commercial law firm receives a 450-page discovery production PDF from opposing counsel consisting entirely of scanned correspondence files. She needs to split the production into individual document files where each scanned letter is 2 to 8 pages long, for upload to the firm's e-discovery review platform where each document gets a separate Bates number assignment. She identifies the document boundaries by reviewing thumbnails and defines page ranges for each individual letter. The FixTools split preserves the original scan quality required for court admissibility under the relevant federal rules of evidence.
Insurance claims processor
An insurance claims processor at a regional carrier has a 60-page scanned claim file submitted by a customer that needs to be split into separate components for routing to different internal departments. The claim form lives on pages 1 through 4 for the underwriting team, the attached police report runs on pages 5 through 12 for the special investigations unit, repair estimates take pages 13 through 28 for the appraiser, and damage photos occupy pages 29 through 60 for the field adjuster. She defines 4 ranges in FixTools in a single operation, and the image quality of the scanned damage photos is preserved exactly at the original 200 DPI JPEG compression.
Library archivist
A university library archivist has a 180-page scanned historical manuscript file weighing 145 megabytes at 400 DPI grayscale that needs to be divided into 4 thematic sections for separate online exhibition pages on the library digital collections website. She splits the manuscript in FixTools running in Chrome on a desktop workstation with 16 gigabytes of RAM, which is needed for the large image data. Each output section PDF retains the full 400 DPI grayscale resolution required to meet archival quality standards for digitized historical materials. Total processing time is about thirty-five seconds end to end.
Pro tips
Get better results with these expert suggestions:
Use desktop for scanned PDFs over 80MB
Scanned PDFs at 300 DPI color average between 1 and 3 megabytes per page in JPEG-compressed form depending on content complexity. A 100-page scanned file therefore typically weighs between 100 and 300 megabytes on disk. Processing a file of that size in a browser requires roughly three to four times the file size in active JavaScript heap memory for parsing and output construction, which works out to 300 megabytes to 1.2 gigabytes of working memory. On a desktop with 8 gigabytes of RAM or more, this is manageable. On a phone with 4 gigabytes of RAM, the browser tab will likely crash before completing the split.
Identify document boundaries using thumbnail view before splitting
For scanned bundles containing multiple documents merged into one file, use the thumbnail preview to visually identify where one document ends and the next begins before defining any ranges. Common visual boundary indicators include blank separator pages inserted intentionally by the scanning operator, distinctive document header pages that look different from surrounding content, and visible page number resets where a printed page footer suddenly restarts at one. Note the page numbers of each boundary before defining your ranges. This visual review step prevents range errors that would produce output files spanning two unrelated documents.
Compress output files after splitting for sharing
Scanned PDF sections retain the full resolution of the original scan after splitting, which means a 20-page section extracted from a 300 DPI color scanned document may still weigh between 20 and 40 megabytes by itself. Before emailing the section to a recipient with an attachment size limit or uploading it to a web system with a per-file size cap, run each section output file through the FixTools PDF Compressor as a follow-up step. For 300 DPI color scans, medium compression typically reduces file size by 70 to 80 percent with no visible quality change at normal reading magnification on a computer screen.
Keep originals before splitting for OCR pre-processing
If you plan to run OCR on the split sections after the splitting step, archive the original unsplit scanned PDF first in a known location before performing the split. OCR quality is sometimes higher when the engine has access to the full multi-page document at original resolution because it can use cross-page context to disambiguate ambiguous characters. Some OCR engines can process multi-page PDFs directly without needing single-page splits. Splitting into individual pages before OCR is useful for parallel batch processing across many cores, but always keep the original intact multi-page scan in case OCR needs to be rerun on specific pages later.
Frequently asked questions
Related guides
More use-case guides for the same tool:
Related tools
Other tools you might find useful:
PDF Compressor
Reduce scanned PDF file size after splitting.
PDF Merger
Combine scanned PDF sections into one document.
PDF to Word
Convert scanned PDF sections to Word format.
Split a PDF for Email Attachments
Break a large PDF into smaller parts that fit within email attachment size limits. Free online PDF splitter, no software, no sign-up, no watermark.
Remove Pages from a PDF Online
Delete specific pages from a PDF and download the cleaned file. Free, browser-based page removal, no Adobe, no sign-up, no watermark.
Split a PDF by Chapter or Section
Divide a PDF into chapters or sections by specifying the start and end pages of each. Free online page-range splitter, no software, no sign-up.
Split a PDF Into Equal Parts
Divide a PDF into equal chunks by page count. Split a 60-page PDF into 3 files of 20 pages each, free, online, no sign-up required.
Split PDF Online for Free
Split any PDF into individual pages or custom ranges instantly. Free browser-based PDF splitter with no sign-up, no watermark, and no file uploads.
Split PDF Directly in Your Browser
Split PDFs entirely in your web browser with no server uploads. 100% client-side PDF splitting, free, private, works in Chrome, Firefox, Safari.
Ready to get started?
Open PDF Splitter to review its free limits and processing method.
Open PDF Splitter →Free tier · No account needed · Transparent limits