Side by side
Avidemux vs Disk SpeedUp
Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source LinuxMacWeb+1
Visit Avidemux 
Free plan Windows
Disk SpeedUp offers scheduling, boot-time processing, and several file-placement options for Windows drives. Its own knowledge base cautions against defragmenting SSDs, so consider that limitation before using those settings.
Visit Disk SpeedUpThe facts
| Avidemux | Disk SpeedUp | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | No |
| Runs on | Linux, Mac, Web, Windows | Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 2 |
| Maker | Not published | Not published |
| Website | avidemux.sourceforge.net | glarysoft.com |
| Best place | #1 on text-to-speech software | #5 on disk defragmentation software |
Avidemux: what it does well
Disk SpeedUp: what it does well
- Shows fragmentation in an interactive drive map.
- Supports scheduled and boot-time defragmentation.
- Users can exclude files and folders.
- Can shut down the computer after a run.
What to know first
- Defragmenting SSDs may reduce their lifespan.
- Supports FAT 16/32 and NTFS only.