Free Download Manager Tools
No sign-up. No install. Works in any browser.
Download Speed & Time Calculator
Enter your file size and connection speed to instantly see how long a download will take — and how much faster segmented downloading makes it.
Download Speed Calculator
Estimate how long a file will take to download at your connection speed.
Download Manager Comparison
Side-by-side comparison of IDM, Free Download Manager, JDownloader 2, Motrix, aria2, XDM, and Persepolis across price, platform, speed, browser support, and features.
Download Manager Comparison
Compare leading download managers across speed, platform, and features.
| Feature | IDM (official) | Free Download Manager | JDownloader 2 | Motrix | aria2 | XDM |
|---|---|---|---|---|---|---|
| Price | Paid (30-day trial) | Free | Free | Free | Free (CLI) | Free |
| Open source | No | No | Partial | Yes | Yes | Yes |
| Windows | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| macOS | — | ✓ | ✓ | ✓ | ✓ | ✓ |
| Linux | — | ✓ | ✓ | ✓ | ✓ | ✓ |
| Android | Separate app | ✓ | ✓ | — | via wrapper | — |
| Multi-segment | 16 (configurable) | up to 16 | plug-in based | up to 64 | up to 64 | up to 32 |
| Browser integration | Excellent | Good | Excellent | Good | Manual | Good |
| Torrent / Magnet | — | ✓ | ✓ | ✓ | ✓ | — |
| YouTube / video | ✓ | ✓ | ✓ (best) | ✓ | — | ✓ |
| Scheduler | ✓ | ✓ | ✓ | ✓ | cron | ✓ |
| Bandwidth limiter | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Last verified: June 2026. Vendor pages: IDM, FDM, JDownloader, Motrix, aria2, XDM.
How to use these tools
The Speed Calculator is useful when you’re choosing between download managers — just plug in your real-world speed (from a speed test) and compare how many connections each manager can open.
The Comparison Table helps you pick the right tool for your platform and use case in under 30 seconds.
More tools coming soon. Have a suggestion? Contact us.