Free Online Image Compress Tool for JPG, PNG & WebP
Image Compress Online and Reduce File Size
Upload JPG, PNG, or WebP files, choose an output format, adjust quality, and use the image compress tool directly in your browser. Use the size feedback to make files smaller for uploads, email, websites, or forms.
This image compressor keeps the original width and height. If your upload also requires exact pixels, resize the image first, then return here to reduce file size.
Output format
Compression quality
82%
Add your images to get started
Upload several files at once to reduce image file size faster.
Drag and drop files or click to upload. Compression runs in your browser.
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How to Use Image Compress Online
Need a smaller image for an upload, email, form, or website? Keep the original dimensions, then use image compress settings to adjust format and quality until the file feels right.
Add the images you want to compress
Choose one photo, a screenshot, or a full batch from your device. You can start small and add more files when you are ready.
Pick the format that fits the job
Use WebP or JPG when you mainly need a lighter file. Keep PNG when transparency, sharp edges, or simple graphics matter more.
Run the image compress step once and compare
Run the image compress step, then check the before-and-after size for each image so you know whether it is already small enough.
Fine-tune only if you need to
If a file is still too large, lower quality a little at a time. When the balance looks good, download single files or one ZIP package.
Why Use This Online Image Compress Tool?
Use this image compress tool when you need a quick, private way to make JPG, PNG, or WebP files easier to upload, email, or publish while keeping the original pixel dimensions.
Compress a whole batch, then download once
Add several photos or screenshots, run the same format and quality settings, then save individual files or package the finished results into one ZIP.
Keep dimensions stable for forms and layouts
This image compress workflow redraws the image at its original width and height, so you can reduce file weight without accidentally changing required pixel dimensions.
See whether each image is small enough
Every result shows the original size, compressed size, and percentage change, making it easier to decide whether to lower quality or keep the current output.
Compress in your browser, not on a remote server
For normal use, your selected images are processed locally on this page with browser canvas encoding, which avoids the upload-and-wait workflow of many online tools.
Choose the practical output format
Keep the original format, switch photos to JPG or WebP for smaller files, or keep PNG when transparency and sharp graphic edges matter more than maximum reduction.
Built for quick manual tuning
Use the quality slider for JPG and WebP, compare the size result, then run the image compress step again only when a file still needs to fit an upload, email, or website limit.
Online Image Compress FAQ
Common questions about the image compress process, reducing image file size, JPG/PNG/WebP compression, upload limits, quality, privacy, and batch downloads.
How do I compress an image to 100KB, 200KB, or 500KB?
Upload your JPG, PNG, or WebP image, choose JPG or WebP for stronger compression, then lower the quality slider and compress again until the output size is under your limit. This tool shows the result size after each compression, but it does not automatically guarantee an exact KB target. If the image is still far above the limit, resize it first with Image Resize, then compress it again.
Can I reduce image file size without losing quality?
You can often reduce image size without obvious visual loss, especially with moderate JPG or WebP quality settings. Very small targets such as 100KB may require visible quality tradeoffs or smaller pixel dimensions. Start around 80-85% quality, compare the result, then lower the setting only if the file is still too large.
Which format should I choose: JPG, PNG, or WebP?
Use JPG for most photos and broad compatibility. Use WebP when the website, form, or app accepts it and you want a smaller file at similar visual quality. Keep PNG for transparent images, logos, icons, screenshots, and graphics with sharp edges, but PNG usually will not shrink photos as much as JPG or WebP.
Are my images uploaded to a server?
No. This image compress tool processes JPG, PNG, and WebP files in your browser using local image decoding and canvas encoding. The selected files are not uploaded by this tool. For privacy-sensitive files, you can also check or remove embedded metadata with Metadata Cleaner.
Can I batch compress multiple images at once?
Yes. Add multiple images, apply the same output format and quality setting, then download each compressed image individually or save the whole batch as one ZIP package.
Will compression change the width, height, or aspect ratio?
No. This page reduces file size while keeping the original width, height, and aspect ratio unchanged. If an upload form also requires exact pixel dimensions, use Image Resize first, then return here to compress the resized image.
Why is the compressed image still too large?
The source image may have large pixel dimensions, complex detail, or a format that is already optimized. Try WebP or JPG output, lower quality in small steps, and compress again. If the file is still much larger than the upload limit, reduce the dimensions first with Image Resize.
Why is the PNG quality slider disabled?
The quality slider controls lossy compression for JPG and WebP. PNG works differently in this browser workflow, so the slider is not used for PNG output. If you do not need transparency, switching from PNG to JPG or WebP usually reduces file size more.
Can I compress a transparent PNG?
Yes, but choose PNG or WebP output if you need to keep transparency. JPG does not support transparent pixels, so transparent areas are flattened onto a white background when the output format is JPG.
Does image compression remove EXIF or GPS metadata?
This image compress tool redraws the image through the browser, so embedded metadata is usually not copied into the new output file. If metadata privacy is important, use Metadata Cleaner and verify the final file after compression.
Why do text, logos, or screenshots look blurry after compression?
Hard edges and small text can soften when JPG or WebP quality is set too low. Use a higher quality setting, keep PNG for sharp graphics when file size allows, or resize only when the destination requires smaller dimensions.
Why did compression fail or stop during a large batch?
Large batches or very large images can hit browser memory limits. Split the files into smaller batches, close unused tabs, and make sure every file is a valid JPG, PNG, or WebP image.
Need to Compress More Images?
Go back to upload and run the same image compress workflow on your next set of files.