Feature Comparison
| Feature | FlexFiles | Smallpdf |
|---|---|---|
| Free to Use | Free to start, no account needed: 5 conversions a day | Limited free use; paid plans for more |
| File Size Limit | Up to 5 GB per file | Depends on plan; see smallpdf.com |
| No Account Required | Yes, for the conversion tools | Varies by tool |
| File Privacy | HTTPS uploads; signed-in files follow your plan's retention | Processed on Smallpdf's servers |
| PDF to Word | Free, within the daily limit | Available within free-use limits |
| Image to PDF | Free, up to 10 images, no signup | Available within free-use limits |
| Compress PDF | Free, with three compression levels | Available within free-use limits |
| Merge PDF | Free, up to 3 PDFs per merge | Available within free-use limits |
Which Free PDF Tool Fits You?
Both tools cover the everyday jobs: converting, compressing and merging PDFs online. FlexFiles lets you start without an account, accepts files up to 5 GB and gives you 5 free conversions a day, with paid plans for more. Smallpdf offers a polished set of tools with its own free limits and paid plans, which change from time to time, so check smallpdf.com/pricing for the current details before you decide.