Side by side
IrfanView vs SumatraPDF
Both stand on file viewer software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Windows
IrfanView combines image viewing with a broad set of editing and file-processing tools for Windows. Private users can use it free, but commercial users must obtain a license.
Visit IrfanView Free plan Windows
SumatraPDF covers a wide range of reading formats and PDF tasks at no cost. Its Windows-only availability and the stated crash-report behavior are worth considering before choosing it.
Visit SumatraPDFThe facts
| IrfanView | SumatraPDF | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Windows | Windows |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 4 | 1 |
| Maker | IrfanView | Not published |
| Website | irfanview.com | sumatrapdfreader.org |
| On file viewer software | #13 of 31 | #17 of 31 |
IrfanView: what it does well
- Batch conversion and image processing are included.
- JPG rotation and cropping are lossless.
- Plugins add formats including PDF, SVG, and WebP.
- Windows Shell Extension adds file-manager actions.
- Private, non-commercial use is free.
What to know first
- Commercial use requires a license.
- Some plugins need additional software or files.
- It is available for Windows only.
SumatraPDF: what it does well
- Opens PDFs, ebooks, comics, and image formats.
- PDF tools include signing and form filling.
- Portable version can run from a USB drive.
- Supports screen readers and text-to-speech.
What to know first
- Available only for Windows.
- No OCR support.
- Official builds send crash reports that may contain document fragments.
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