FS PDF Compressor vs PDF.co

FS PDF Compressor8.9Visit PDF.co8.8Visit

Higher score FS PDF Compressor #4 in PDF Compression Software 8.9/10 Free plan Free plan✓ 2 of 3 features Visit GitHub

vs

PDF.co #5 in PDF Compression Software 8.8/10 30-day trial Free trial✓ 1 of 3 features Visit PDF.co

• FS PDF Compressor fits best

  Privacy-focused users wanting free desktop compression

• PDF.co fits best

  Businesses automating PDF compression workflows

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Side by side

Feature	FS PDF Compressor 8.9/10 Visit ↗	PDF.co 8.8/10 Visit ↗
At a glance
Editor score	8.9	8.8
Ranking	#4 in PDF Compression Software	#5 in PDF Compression Software
Best for	Privacy-focused users wanting free desktop compression	Businesses automating PDF compression workflows
Pricing model	Free	Paid
Starting price	Free	$8.99/mo
Free plan	✓ (best)	—
Free trial	—	30 days
Deployment	Desktop	Cloud, Self-hosted
Platforms	macOS, Windows, Linux	Web
Integrations	4 integrations	13 integrations
Features FS PDF Compressor 2/3 · PDF.co 1/3
Batch compression	✓ (best)	Not checked yet
Offline desktop app	✓ (best)	Not checked yet
API access	Not checked yet	✓ (best)
Specs
Compression modes	Balanced	Not checked yet
Maximum file size	Not checked yet	Not checked yet
Supported platforms	macos, windows, linux	web, api, self_hosted
Our review
Pros	Local processing without uploads, accounts, analytics, or telemetry Batch compression for multiple PDFs and folders Native integrations across macOS, Windows, and Linux file managers	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
Cons	Desktop-only workflow across macOS, Windows, and Linux Three profiles provide less granular quality control Compression depends on the bundled Ghostscript runtime	No free plan Annual-plan monthly-equivalent pricing requires annual billing Enterprise pricing and features are customized
Our verdict	FS PDF Compressor is a free, open-source desktop utility for reducing PDF file sizes locally. It is suited to privacy-focused users, individuals handling documents on their own computers, and teams that need batch compression without… Read the review →	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 →

Strengths and trade-offs

• FS PDF Compressor — where it wins

  • Local processing without uploads, accounts, analytics, or telemetry
  • Batch compression for multiple PDFs and folders
  • Native integrations across macOS, Windows, and Linux file managers

  Where it doesn't

  • Desktop-only workflow across macOS, Windows, and Linux
  • Three profiles provide less granular quality control
  • Compression depends on the bundled Ghostscript runtime

• 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

• FS PDF Compressor8.9/10 · Free plan

  A privacy-focused, open-source desktop compressor with batch workflows and three quality profiles.

  Visit GitHubFull verdict →
• PDF.co8.8/10 · 30-day trial

  A paid PDF automation API with compression controls, integrations, and self-hosted support.

  Visit PDF.coFull verdict →