1
Upload an Image
Choose an image from your device, drag it into the upload area, or paste an image from your clipboard.
🖼️ Image Compressor
Reduce image file size to a selected target size while keeping the best practical image quality.
Upload Image
Upload Image
📁 Choose Image
📋 Paste Image
🖱️ Drag & Drop
Original Size:
0 KB
Compression
Compressed Image
Compressed Image Will Appear Here
Compress your image and the result will be shown here.
Compressed Size:
0 KB
Saved:
0%
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How Does the Image Compressor Work?
Compress your image in a few simple steps. The tool lets you select a target size and creates a smaller image directly in your browser.
2
Select Target Size
Select 10 KB, 20 KB, 50 KB, 100 KB or enter a custom target size according to your requirement.
3
Compress & Download
Start compression, review the resulting size and download the compressed image when it is ready.
What Can You Use It For?
Smaller File Size
Reduce large images for easier sharing and storage.
Website Images
Prepare smaller images for websites and online forms.
Email & Sharing
Make images easier to send when file-size limits apply.
Mobile Friendly
Use the compressor from a phone, tablet or computer.
Privacy & File Handling
This image compressor performs its compression work in the browser using JavaScript and browser image APIs. The current tool code does not contain an upload request to a OneToolBox server for the selected image.
For highly sensitive files, always review the tool's behavior and your browser environment before processing.
Frequently Asked Questions
Is the image compressor free?
Yes. OneToolBox provides this image compressor as a free online utility. Availability of future features may vary.
Which target sizes are available?
The current tool provides 10 KB, 20 KB, 50 KB, 100 KB and a Custom target-size option.
Can I use JPG and PNG images?
The file input accepts browser-supported image files. The actual output format follows the selected image MIME type used by the browser during compression.
Will image quality remain exactly the same?
Compression can change image quality. The tool attempts to reach the selected target size while retaining the best practical quality it can achieve.
Can I paste or drag and drop an image?
Yes. The current tool supports choosing an image, drag-and-drop and pasting an image from the clipboard.
Is my image sent to a server?
The current JavaScript performs processing with FileReader, canvas and browser APIs. It does not contain a server upload request for the selected image.