🗜️ PDF Compressor
Upload a PDF and we'll optimise its internal structure to shrink the file size — handy when you need to email a document or fit within a size limit.
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Drop your PDF here to compress it
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ℹ️ This tool uses structure-level PDF optimisation. For image-heavy PDFs, savings may vary. It works best on documents with lots of text or redundant metadata.
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What does PDF compression actually do?
PDFs often contain redundant data — unused objects, duplicate resources, verbose metadata. This tool re-saves the PDF with better stream compression and removes that bloat. The result looks identical, but the file is smaller and easier to share.
PDFs that are already tightly compressed (e.g. scanned image PDFs) may show smaller savings. For those, the best approach is to reduce the resolution of embedded images using an image editing tool first.