Head-to-head · PDF Compression Software
PDF.co vs PDF Compressor by DocuPub
PDF.co leads on 0 checks, PDF Compressor by DocuPub on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scorePDF.co · 8.8/10
- Free planonly PDF Compressor by DocuPub
- Free trialonly PDF.co
- Most featuresPDF Compressor by DocuPub · 2 of 3
PDF.co scores higher on our rubric for pdf compression software: 8.8 against 8.5 out of 10; our editors rank them #5 and #8.
PDF Compressor by DocuPub offers free plan; PDF.co doesn't.
PDF.co is the better fit for businesses automating PDF compression workflows. PDF Compressor by DocuPub is the better fit for users needing free configurable compression.
- PDF.co fits best
Businesses automating PDF compression workflows
- PDF Compressor by DocuPub fits best
Users needing free configurable compression
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Side by side
| Feature | PDF.co 8.8/10 Visit ↗ | PDF Compressor by DocuPub 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.8 | 8.5 |
| Ranking | #5 in PDF Compression Software | #8 in PDF Compression Software |
| Best for | Businesses automating PDF compression workflows | Users needing free configurable compression |
| Pricing model | Paid | Free |
| Starting price | $8.99/mo | Free plan |
| Free plan | — | ✓ (best) |
| Free trial | 30 days | — |
| Deployment | Cloud, Self-hosted | Cloud, Desktop |
| Platforms | Web | Web, Windows |
| Features PDF.co 1/3 · PDF Compressor by DocuPub 2/3 | ||
| Batch compression | Not checked yet | Not checked yet |
| Offline desktop app | Not checked yet | ✓ (best) |
| API access | ✓ | ✓ |
| Specs | ||
| Compression modes | Not checked yet | Not checked yet |
| Maximum file size | Not checked yet | 50 MB |
| Supported platforms | web, api, self_hosted | web, windows, api |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | PDF.co is a hosted REST API platform for automating PDF processing and document workflows. It is aimed at developers and organizations that need to compress, convert, extract, parse, edit, merge, split, encrypt, decrypt, or fill PDF forms… Read the review → |
PDF Compressor by DocuPub reduces PDF file sizes through a free online service, a downloadable Windows application, and programmatic PDFCOMPRESS integration. It suits individuals and teams that want configurable compression rather than a… Read the review → |
Strengths and trade-offs
PDF.co — where it wins
- Four compression presets plus image, font, resolution, and quality controls
- Full API access, asynchronous processing, and self-hosted deployment
- Integrations with Zapier, Make, n8n, and other workflow platforms
Where it doesn't
- No free plan
- Annual-plan monthly-equivalent pricing requires annual billing
- Enterprise pricing and features are customized
PDF Compressor by DocuPub — where it wins
- Free web and Windows compression options
- Detailed image, object, metadata, and font controls
- PDF/A preservation and PDFCOMPRESS integration support
Where it doesn't
- Online files are limited to 50 MB
- The local application is available for Windows
- Advanced settings may require document-processing expertise
- PDF.co8.8/10 · 30-day trial
A paid PDF automation API with compression controls, integrations, and self-hosted support.
Visit PDF.coFull verdict → - PDF Compressor by DocuPub8.5/10 · Free plan
A free, configurable compressor for users who want control beyond basic file shrinking.
Visit DocuPubFull verdict →
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- FS PDF Compressor vs PDF Compressor by DocuPub
All PDF compression software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




