Practical guide
Reduce an image file size for the web, email, or forms
Modern photos can take up several megabytes even when they look small on screen. Reducing their file size makes them easier to email, upload to a form, or use on a faster web page. Choose a target size and output format before downloading the new image.
When to compress an image
- A form sets a file size limit for a photo or document image.
- You want to send images by email without creating heavy attachments.
- You need a lighter version for a website or presentation.
How to compress an image
- 1
Upload an image
Choose a compatible image from your device and check the preview.
- 2
Set the size and format
Pick a maximum file size and, if useful, JPG or WebP as the output format.
- 3
Compare before downloading
The tool shows the result so you can check its file size and appearance.
Balancing file size and quality
- A smaller target reduces file size more, but it may make artifacts or lost detail visible.
- JPG is practical for photographs; WebP can offer smaller files for compatible web use.
- Keep the original when the image may be printed or edited later.
Questions about image compression
- Can I compress an image to 500 KB?
- Yes, you can set a size target. If it cannot be reached within processing limits, the available result is shown.
- Which format should I use: JPG or WebP?
- JPG is widely compatible for photos, while WebP is often useful for web images.
- Does this change my image dimensions?
- This tool focuses on file size and format. Use resize and crop image when you need to change width, height, or framing.
Need to satisfy an exact limit? Use Image to maximum size.