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Head-to-head · PDF Compression Software

PDFOptim vs PDF2Go

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score PDFOptim #3 in PDF Compression Software 9.0/10 Free plan Free plan✓ 2 of 3 features Visit PDFOptim
PDF2Go #6 in PDF Compression Software 8.7/10 Free plan Free plan✓ 2 of 3 features Visit PDF2Go

PDFOptim leads on 0 checks, PDF2Go on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePDFOptim · 9.0/10
  • Free planboth

PDFOptim scores higher on our rubric for pdf compression software: 9.0 against 8.7 out of 10; our editors rank them #3 and #6.

PDF2Go leads on maximum file size: 50 MB versus 25 MB.

PDFOptim is the better fit for users wanting previews and cross-platform workflows. PDF2Go is the better fit for users needing target-size compression online.

  • PDFOptim fits best

    Users wanting previews and cross-platform workflows

  • PDF2Go fits best

    Users needing target-size compression online

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Side by side

Feature PDFOptim 9.0/10 Visit ↗ PDF2Go 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #3 in PDF Compression Software #6 in PDF Compression Software
Best for Users wanting previews and cross-platform workflows Users needing target-size compression online
Pricing model Free plan + paid Free plan + paid
Starting price $4.99/mo —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, macOS, iOS, Windows Web, Windows, macOS, Linux, iOS, Android
Integrations 1 integrations 2 integrations
Features PDFOptim 2/3 · PDF2Go 2/3
Batch compression ✓ ✓
Offline desktop app ✓ ✓
API access Not checked yet Not checked yet
Specs
Compression modes Balanced Not checked yet
Maximum file size 25 MB 50 MB (best)
Supported platforms web, macos, ios, windows web, windows, macos, linux, ios, android
Our review
Pros
  • Side-by-side previews help compare compression quality before saving.
  • Presets cover Web, Standard, Print, and Custom compression needs.
  • Native batch processing supports scanned and vector PDF optimization.
  • Compress PDFs to a target file size with selectable presets
  • Supports grayscale, image removal, and batch processing
  • Works on web, Windows, macOS, Linux, iOS, and Android
Cons
  • The Free plan allows only 3 operations per day.
  • Free files are limited to 25 MB; paid plans allow up to 200 MB.
  • Apple Shortcuts is the only listed integration.
  • Free processing is limited, with a 50 MB upload limit
  • Paid plans use credits for monthly processing capacity
  • Advanced automation and desktop access start on the Pro plan
Our verdict

PDFOptim is a PDF compression product with browser-based tools and native applications for macOS, iOS, and Windows. It is designed for users who need to reduce PDF sizes across devices, compare output quality before saving, or process…

Read the review →

PDF2Go is a browser-based PDF editor, converter, and compression service for individuals, professionals, and organizations. Its compression tools include basic and strong modes, selectable presets, target-size compression, grayscale…

Read the review →
  1. PDFOptimPDF Compression Software 9.0Free plan
  2. PDF2GoPDF Compression Software 8.7Free plan

Strengths and trade-offs

  • PDFOptim — where it wins

    • Side-by-side previews help compare compression quality before saving.
    • Presets cover Web, Standard, Print, and Custom compression needs.
    • Native batch processing supports scanned and vector PDF optimization.

    Where it doesn't

    • The Free plan allows only 3 operations per day.
    • Free files are limited to 25 MB; paid plans allow up to 200 MB.
    • Apple Shortcuts is the only listed integration.

  • PDF2Go — where it wins

    • Compress PDFs to a target file size with selectable presets
    • Supports grayscale, image removal, and batch processing
    • Works on web, Windows, macOS, Linux, iOS, and Android

    Where it doesn't

    • Free processing is limited, with a 50 MB upload limit
    • Paid plans use credits for monthly processing capacity
    • Advanced automation and desktop access start on the Pro plan
  • PDFOptim9.0/10 · Free plan

    A flexible PDF compressor with previews, batch processing, and cross-platform coverage.

    Visit PDFOptimFull verdict →
  • PDF2Go8.7/10 · Free plan

    A broad PDF toolkit with target-size compression and coverage across web, desktop, and mobile.

    Visit PDF2GoFull verdict →

More comparisons

All PDF compression software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update