Compress Image
Shrink your photos with no visible quality loss, down to the size a website asks for. Your photos never leave your device.
- Never leaves your device
- No limits
- No sign-up
- No watermark
Quick answer: To compress an image, select your photos, choose a quality level (Recommended usually cuts 60% to 80%) or a maximum size such as 100KB, and click "Compress". For phone photos, reducing the longest side to 1920 px helps a lot.
How to do it in 3 steps
- 1Click Select images (JPG, PNG, WebP or HEIC).
- 2Choose the quality or the maximum size per image.
- 3Click Compress and download the image or the ZIP.
Why use Pronto Arquivo
Exact file size
Pick 50KB, 100KB, 200KB, 500KB or 1MB: quality is adjusted until the image fits.
Batch compression
Compress dozens of photos at once; they come in a ZIP.
WebP for websites
Save as WebP to shrink files even further while keeping quality.
Private
Images are processed in your browser and never uploaded.
Size shortcuts
Guides
Photos for forms with a KB limit
Job portals, visa and passport applications, school enrollment and exam registrations often require photos under 100KB or 200KB. Choose the size and the tool finds the best quality that fits.
PNG got bigger or looks off?
Screenshots and logos in PNG can end up with washed-out colors when saved as JPG. For those, choose the WebP option instead.
Frequently asked questions
How do I reduce the file size of a photo?
Select the photo, keep "Recommended" and click "Compress". To go further, reduce the longest side to 1920 px.
How do I make an image smaller than 100KB?
Choose "100KB" as the maximum size per image. If needed, the image is also scaled down in pixels.
Does compressing an image reduce quality?
With Recommended, the loss is invisible on screen. The smaller the target size, the more detail the photo loses.
Are my photos uploaded?
No. Compression runs in your browser.
Is it free?
Yes. No sign-up, no watermark and no limits.