# Compress Images Under 100KB Online Free
Reduce your image file size to under 100KB instantly without losing quality. Perfect for email attachments, website uploads, and systems with strict file size limits.
## When You Need Images Under 100KB
- **Email attachments** - Many email systems limit file sizes
- **Website forms** - Upload restrictions on job sites, applications
- **Social platforms** - Some have strict size requirements
- **Mobile apps** - Faster loading with smaller files
- **Profile pictures** - Many sites require under 100KB
## How to Compress Under 100KB
1. Upload your image using our compressor below
2. Set target size to "Under 100KB"
3. Adjust quality until file size meets requirement
4. Download your compressed image
**Pro Tips:**
- Start with JPG format - compresses smaller than PNG
- Resize dimensions first if image is very large
- 85% quality usually gives best size/quality balance for 100KB target