- Lightweight Installation: One of the smallest desktop PDF readers at around 15MB.
- Cross-Platform Support: Available for Windows, macOS, and Linux distributions.
- PDF Annotation Tools: Highlight text, add comments, and insert links.
- Form Filling: Fill out interactive PDF forms directly within the reader.
- Digital Signature Verification: Instantly verify existing digital signatures.
- Clean Interface: Minimalist UI with light and dark theme options.
Slim PDF Reader
Lightweight cross-platform PDF reader focused on speed and simplicity
Updated August 3, 2026
Slim PDF Reader Overview
Slim PDF Reader is a free, lightweight PDF reader from Investintech/Apryse. The current official page describes viewing, highlighting, comments, links, and form filling, with Windows available and macOS marked as coming soon.
The page does not turn the vendor’s paid Able2Extract products into a price for Slim PDF Reader.
Key Features
Pricing
| Plan | Price | Featured |
|---|---|---|
| Slim PDF Reader | $0 | Free lightweight PDF reader; Windows download, with macOS marked coming soon |
Pricing source: https://www.investintech.com/resources/freetools/slimpdfreader/
Pros
Competitor |
Pros |
|---|---|
| SumatraPDF | Compared with SumatraPDF, this page’s product centers on a small free PDF reader for desktop systems. Its a focused viewer with Windows support and macOS availability still described as coming soon is useful for users who prioritize quick opening, annotation, form filling, and low resource use, especially when the goal is reading and marking PDFs without the weight of a full editor; SumatraPDF remains the alternative when that buyer needs a different emphasis. |
| Foxit PDF Reader | Compared with Foxit PDF Reader, this page’s product centers on a small free PDF reader for desktop systems. Its a focused viewer with Windows support and macOS availability still described as coming soon is useful for users who prioritize quick opening, annotation, form filling, and low resource use, especially when the goal is reading and marking PDFs without the weight of a full editor; Foxit PDF Reader remains the alternative when that buyer needs a different emphasis. |
| Adobe Acrobat Reader | Compared with Adobe Acrobat Reader, this page’s product centers on a small free PDF reader for desktop systems. Its a focused viewer with Windows support and macOS availability still described as coming soon is useful for users who prioritize quick opening, annotation, form filling, and low resource use, especially when the goal is reading and marking PDFs without the weight of a full editor; Adobe Acrobat Reader remains the alternative when that buyer needs a different emphasis. |
Cons
Competitor |
Cons |
|---|---|
| SumatraPDF | Compared with SumatraPDF, this product is narrower around a small free PDF reader for desktop systems. Teams that need a similarly lightweight open-source viewer with a different feature and support model may prefer SumatraPDF; the trade-off is less emphasis on the workflow described here. |
| Foxit PDF Reader | Compared with Foxit PDF Reader, this product is narrower around a small free PDF reader for desktop systems. Teams that need a similarly lightweight open-source viewer with a different feature and support model may prefer Foxit PDF Reader; the trade-off is less emphasis on the workflow described here. |
| Adobe Acrobat Reader | Compared with Adobe Acrobat Reader, this product is narrower around a small free PDF reader for desktop systems. Teams that need a similarly lightweight open-source viewer with a different feature and support model may prefer Adobe Acrobat Reader; the trade-off is less emphasis on the workflow described here. |
Reviews
- TechRadar Review (Rating: 4/5): Slim PDF Reader is good for its “simple, compact, lightweight” design, with the reviewer calling it “wonderful” compared to bulkier alternatives. Slim PDF Reader keeps the experience minimal and avoids the clutter found in many other PDF readers.
