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PDF tool · Free online
Divide a large PDF into smaller files based on a target file size
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Select PDF to split by size
Drag & drop here, or click to browse
Max 100 MB
Follow these steps on this page:
Use our free split by size tool to divide large PDFs into smaller files instantly. Fast, easy, and 100% online — no installation needed.
Use the uploader above, tweak options if needed, then download. No installers, no watermarks, and nothing locked behind a plan — just the PDF result you need.
Why GoDocLab
Split PDF by Size stays free — download the finished PDF without branding or a paywall.
Transfers use HTTPS. Files are removed after processing so your PDF doesn’t sit on our servers.
Phone, tablet, or desktop — open the page, upload, and download. Nothing to install.
Skip heavy desktop apps. Most PDF jobs finish in seconds so you can keep working.
FAQ
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Merge PDF
Combine multiple PDF files into one single document
✂️Split PDF
Split a PDF into separate pages or page ranges
📑Selective Page Merge
Merge only specific pages from different PDF documents into one
🔖Split PDF by Bookmark
Separate a PDF into multiple files using its internal bookmarks or chapters
🗑️Delete Pages
Remove unwanted pages from a PDF document
↩️Rotate Pages
Change the orientation of specific pages within a PDF
🔃Reorder Pages
Change the sequence of pages within a PDF document
📤Extract Pages
Pull out selected pages from a PDF into a new document