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Reduce PDF file size by up to 90% — free, instant, no signup required. Powered by Ghostscript, the same engine used by Adobe. No watermark, ever.
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Results based on real-world documents processed by PDFTash:
| Document Type | Typical Size | After Compression | Reduction |
|---|---|---|---|
| Scanned document (10 pages) | ~50 MB | 3–8 MB | 85–94% |
| Image-heavy presentation | ~20 MB | 4–8 MB | 60–80% |
| CV / Resume | ~3 MB | 0.5–1.5 MB | 50–83% |
| Text report / Contract | ~2 MB | 0.8–1.5 MB | 25–40% |
| Mixed (text + images) | ~8 MB | 2–4 MB | 50–70% |
For common upload limits, use these targeted compression tools:
It depends on content. Scanned PDFs typically reduce 60–90% — a 50 MB scanned contract can come down to 4–6 MB. Image-heavy presentations reduce 40–70%. Text-only documents (CVs, reports) reduce 20–40% since they're already compact. The free plan has no limit on the number of files you can compress.
Text is vector data and remains perfectly sharp at any zoom level — zero quality change. Images are re-encoded at 85–90% quality, which is visually identical to the original at normal viewing and print sizes. Only if you zoom in past 200% might you notice minor softening on photographs.
The free plan supports files up to 10 MB. If your PDF is larger — such as a lengthy scanned report or a high-resolution product catalogue — the Pro plan ($9/month) handles files up to 200 MB. For very large files, try compressing in sections using the Split tool first.
Yes. PDFTash offers dedicated size-targeted tools: Compress to 200 KB for government portal uploads, and Compress to 1 MB for job application portals. These use adaptive compression to meet the target while maintaining maximum possible quality.
No. PDFTash never adds its own branding or watermarks to any output file on any plan. Your compressed PDF is completely clean — it looks like it was processed by professional desktop software.