Compress DivX Video
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Supports: DIVX
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Need help?How to Compress DivX Video
- Upload Your DivX File — Click "Choose Files" or drag and drop your DivX video file. Only .divx files are accepted.
- Choose Compression Method — Under File Compression, the default is Target File Size % (1-100% slider with Smart Scaling). Other options: Quality Preset (Highest through Lowest), Specific File Size (MB/KB), Constant Bitrate, Variable Bitrate, Constant Quality (CRF), or Constraint Quality (CRF + max bitrate).
- Adjust Resolution (Optional) — Under Video Resolution, keep the original or choose Preset Resolutions (1080p, 720p, 480p, etc.), Fixed Resolutions, Resolution Percentage, or custom Width/Height. Lowering resolution significantly reduces file size.
- Trim (Optional) — Under Trim, set a Start Time and Duration to remove unwanted sections.
- Compress & Download — Click "Convert" and download your compressed DivX file.
Why Compress DivX Video?
DivX is an MPEG-4 ASP codec that was the standard for sharing movies online in the 2000s. DivX files can be large — a full movie at high bitrate can exceed 1-2 GB. Compressing reduces file size for sharing via email, messaging, or cloud storage, fitting videos onto USB drives or SD cards with limited space, faster uploads and downloads, and reducing storage usage for large DivX movie collections.
Compression Methods Explained
| Method | How It Works | Best For |
|---|---|---|
| Target File Size (%) | Slider from 1-100% of original | Predictable reduction (default) |
| Quality Preset | Automatic quality (Highest→Lowest) | Quick compression |
| Specific File Size | Enter exact MB target | Meeting upload limits |
| Constant Quality (CRF) | Quality-based encoding | Best quality-to-size ratio |
| Constant Bitrate | Fixed bitrate throughout | Consistent streaming |
| Variable Bitrate | Adapts to content complexity | Efficient for varied scenes |
| Constraint Quality | CRF with max bitrate cap | Bandwidth-limited streaming |
DivX Compression Tips
| Goal | Recommended Approach |
|---|---|
| Reduce by 50% | Target File Size: 50% |
| Fit under 25 MB | Specific File Size: 25 MB |
| Shrink a 700 MB movie | Lower resolution to 480p + Target 50% |
| Maximum quality | Quality Preset: Highest or CRF low value |
| Remove credits/intros | Trim: set Start Time and Duration |
What is the default codec for DivX compression?
The default video codec is DivX (MPEG-4 ASP), keeping the output in the same format. The default audio codec is MP3. You can change both under Video Codec and Audio Codec if needed.
How much can I reduce the file size?
Target File Size at 50% produces roughly half the original size. Lowering resolution from 720p to 480p reduces size by an additional 40-60%. Combining compression with resolution reduction and trimming can achieve 70-90% reduction.
What is the difference between CRF and Target File Size?
CRF (Constant Quality) maintains consistent visual quality — you control quality, the encoder determines file size. Target File Size lets you specify the exact output size — the encoder adjusts quality to hit your target. CRF generally produces better results when you care more about quality than exact file size.
Can I compress and trim at the same time?
Yes. Set compression under File Compression, then set trim points under Trim. Both are applied in a single pass. Trimming alone can significantly reduce file size by removing unwanted footage.
Will compressing reduce video quality?
Yes, some quality loss is inherent. The amount depends on your settings — Target File Size at 80% produces minimal visible loss, while 30% shows noticeable degradation. Use Constant Quality (CRF) for the best quality-to-size ratio.