Compress PDF Files
Reduce PDF file size up to 90% — text stays crisp, images stay clear, formatting stays intact.
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✨ Key Benefits
- Text remains fully searchable and selectable after compression
- Hyperlinks, bookmarks, and form fields preserved
- Handles scanned documents, vector PDFs, and mixed content
- Reduces email bounce-backs from oversized attachments
- No signup, no watermarks — instant secure download
💡 Why Use This?
- Compress resumes and cover letters for job application portals
- Reduce scanned contracts for email delivery to clients
- Meet government e-filing upload limits (often 5-10MB max)
- Shrink academic papers and thesis documents for submission
- Optimize PDF invoices for faster loading in accounting software
- Compress multi-page reports for SharePoint or Google Drive sharing
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Why Compress PDF Files?
PDFs are the universal document format — used for contracts, resumes, invoices, and government forms worldwide. But a scanned PDF can easily hit 20-50MB, far exceeding Gmail's 25MB attachment limit and most web form upload caps. Our compressor intelligently recompresses embedded images (often 95% of a PDF's size) while leaving text vectors and metadata untouched. The result: a file that looks identical but transmits 5-10x faster.
How PDF Compression Works
A PDF is a container that bundles text, fonts, vector graphics, and raster images. Most of the file size comes from embedded images — a single 300 DPI scan adds 3-8MB. Our engine identifies each image stream, applies format-appropriate compression (JPEG for photos, JBIG2 for text scans, Flate for diagrams), and repackages the PDF. Text, hyperlinks, form fields, and bookmarks remain fully functional.
Best Practices for PDF File Size
When creating PDFs, use 'Save As' instead of 'Print to PDF' — the latter often produces unoptimized files 3-5x larger. For scanned documents, 150 DPI is sufficient for screen reading (300 DPI only needed for print). If your PDF contains many duplicate images (headers, logos on every page), our compressor detects and deduplicates them automatically.
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FAQ
How much can a PDF be compressed?
Scanned PDFs (image-heavy) compress 70-90%. Text-only PDFs are already small and typically see 10-30% reduction. A 25MB scanned contract usually drops to 2-5MB.
Will text in my PDF be blurry after compression?
No. Text in PDFs is stored as vectors, not images — compression doesn't affect text clarity at all. Only embedded raster images are recompressed, and we use quality settings that maintain readability.
Can I compress a PDF to under 1MB?
In most cases, yes — especially for scanned documents. A 15MB scanned PDF typically compresses to 500KB-2MB. The final size depends on the number of pages and image complexity.
Are form fields and hyperlinks preserved?
Yes. Our compression only targets image streams inside the PDF. Interactive elements like fillable forms, clickable links, bookmarks, and digital signatures remain fully functional.
How to compress PDF for email?
Upload your PDF here — most files will compress below Gmail's 25MB limit in seconds. For very large documents (100+ pages), consider splitting the PDF first, then compressing each part separately.
Is my document content kept private?
Absolutely. All uploads are encrypted with 256-bit SSL. Documents are processed in isolated containers and automatically deleted within 1 hour. We never read, index, or store your document content.
