Many websites and platforms enforce strict file size limits for uploads: 500KB for a profile photo, 1MB for a product image, 2MB for a form attachment. When your image exceeds these limits, you need a reliable way to compress it without destroying quality.
Why Exact Size Matters
Generic "compress" tools reduce file size but give you whatever output they produce. If a platform requires "under 500KB" and your compressed image is 520KB, you still can't upload it. Target-size compression solves this by letting you specify the exact maximum file size.
How to Compress an Image to a Target Size
- Open the [Image Compress to Size](/tools/image-compress-to-size) tool.
- Upload your image: Supports JPG, PNG, and WebP formats.
- Set your target size: Enter the maximum file size (e.g., 500KB).
- Process: The tool automatically adjusts quality to hit your target.
- Download: Save the compressed image.
Quality vs. Size Trade-offs
| Target Size | Typical Quality | Best For |
|---|---|---|
| 100KB | Medium | Email attachments, thumbnails |
| 500KB | Good | Profile photos, web uploads |
| 1MB | Very Good | Product images, presentations |
| 2MB+ | Excellent | Print-ready, high-detail |
Tips for Best Results
- Start with the right dimensions: Resize your image to the actual display size first (e.g., 800×600 for web), then compress. Smaller dimensions = smaller file size at the same quality.
- Choose the right format: JPG works best for photos. PNG is better for screenshots with text. WebP offers the best compression ratio for both.
- Batch processing: If you have multiple images, process them one by one with the same target size for consistent results.
Common Platforms and Their Limits
| Platform | Max File Size | Recommended |
|---|---|---|
| LinkedIn Photo | 8MB | < 1MB |
| Government Forms | 500KB-1MB | Match exactly |
| Email Attachments | 25MB total | < 1MB each |
| WordPress Media | 2-10MB | < 500KB |
All processing happens in your browser, so your images stay private.