Bring your images.
Drop in a photo or a whole batch. Your originals stay untouched.
Compress, convert and resize · No signup needed
Compress image to 100 KB
Try a 100 KB image target for an attachment or upload form. Adjust quality, compare results and download free. Exact file size is not guaranteed.
Drop your images here
Choose images from your device, then adjust the settings before processing.
Up to 20 images · 10 MB each · No signup needed✓ No watermarks✓ Originals stay yours✓ Real, measured results
Images are processed on our servers and returned to your browser. CDN sharing publishes results only when you choose it. How it works ↗
ONE TOOL. SO MANY POSSIBILITIES.
9 input formatsCompress images by format
Choose a compressor, converter or resizer for your image.
Compress JPEG ↗
Less weight for your favorite photos.
Compress PNG ↗
Crisp graphics. Clear transparency.
Compress WebP ↗
Give your website a lighter footprint.
Compress AVIF ↗
Adjust AVIF quality and dimensions.
HEIC to JPEG ↗
Your iPhone photos, ready to share.
Compress GIF ↗
Keep your animation moving.
Compress TIFF ↗
Optimize TIFF files with multiple pages.
Resize images ↗
Set maximum width and height in pixels.
THREE STEPS TO SMALLER IMAGES
How to compress images online
Choose your files, adjust settings and review the results.
Make them lighter.
Go with Smart, or find your own balance of size, format and quality.
Take a closer look.
Compare the difference. Download one image or grab the whole ZIP.
A PRACTICAL IMAGE GUIDE
Aim for a 100 KB image and verify the result
This page preselects a 100 KB target for compact email attachments and online forms. Start with your original image, choose an appropriate output format, then check the actual result rather than relying on a promised reduction.
How to try a 100 KB target
Upload an image and confirm the 100 KB value in fine-tune controls. For JPEG, WebP and AVIF, the encoder searches lower quality settings down to a minimum of 20. It reports when the target is missed. It never silently resizes your image to force the target.
Choosing dimensions for 100 KB
A 100 KB target can be practical for a modest-size image, but a highly detailed photo may still exceed it. A photographic PNG may benefit from JPEG or WebP output; keep PNG when exact graphic pixels matter.
Check how your destination counts KB
Here, 1 KB means 1024 bytes, so 100 KB is 102,400 bytes. Some forms use decimal kilobytes or additional minimum-size rules. If a portal rejects a near-limit file, aim lower and check its exact rules. File size alone does not establish submission compliance.
GOOD TO KNOW
About this image tool
Understand the result before choosing your download.
Is 100 KB guaranteed?
No. Target size is best effort. A complex image may not fit within the quality floor, and lossless PNG/TIFF encoding does not use the quality search. Switch format or explicitly reduce dimensions if appropriate.
Will the image dimensions change automatically?
No. Target search changes quality for supported lossy formats. Optional width and height controls are a separate choice, and output dimensions are shown with each result.