Edit and convert a PDF: tools and selection criteria

To edit and convert a pdf, start with the outcome rather than the number of features. These selected tools take different approaches, with strengths and limitations worth comparing. Free and freemium options are distinguished; check quotas and exports before choosing a plan.

How to choose

• File formats and size
• Layout and export
• Privacy and sharing

Our selection

• 

  PDF24 Tools · tools.pdf24.org

  Merge, compress, convert and sign PDFs, free and unlimited.

  Keep in mind: Less modern interface

  FreeNo sign-up
  Open ↗
• 

  iLovePDF · ilovepdf.com

  Merge, compress, convert and edit your PDFs.

  Keep in mind: Free plan limits file size and number of tasks

  FreemiumNo sign-up
  Open ↗
• 

  Stirling PDF · stirlingpdf.com

  50+ PDF tools (merge, compress, sign, OCR) to self-host or use online.

  Keep in mind: Requires a server to self-host (for privacy)

  FreeOpen source
  Open ↗

This selection is not a performance ranking. Check individual pages and provider terms before choosing.

Editorial update : 2026-10-06