How do I compress an image without losing quality?

Our image compressor uses advanced algorithms to reduce image size while maintaining visual fidelity. For the best balance, we recommend setting a realistic target size and using the WebP or JPG formats, which are designed for high-quality lossy compression.

How can I reduce an image to a specific size in KB?

Simply type your target size into the "Target Size (KB)" field. The tool will automatically adjust the compression settings (like quality and dimensions) repeatedly until the output file is as close to your target as possible without exceeding it.

Is it safe to compress images online?

Yes! Unlike many online tools, our photo compressor runs entirely inside your web browser. Your photos are never uploaded to any external server. This guarantees complete privacy for your sensitive or personal images.

Which format gives the smallest file size?

WebP generally provides the smallest file size for photographs, often 25-30% smaller than an equivalent JPG. For images with transparency, converting from PNG to WebP can result in massive file size savings.

How do I compress an image without losing quality?

Our image compressor uses advanced algorithms to reduce image size while maintaining visual fidelity. For the best balance, we recommend setting a realistic target size and using the WebP or JPG formats, which are designed for high-quality lossy compression.

How can I reduce an image to a specific size in KB?

Simply type your target size into the "Target Size (KB)" field. The tool will automatically adjust the compression settings (like quality and dimensions) repeatedly until the output file is as close to your target as possible without exceeding it.

Is it safe to compress images online?

Yes! Unlike many online tools, our photo compressor runs entirely inside your web browser. Your photos are never uploaded to any external server. This guarantees complete privacy for your sensitive or personal images.

Which format gives the smallest file size?

WebP generally provides the smallest file size for photographs, often 25-30% smaller than an equivalent JPG. For images with transparency, converting from PNG to WebP can result in massive file size savings.

Free Image Compressor

Reduce image size instantly in your browser. Compress JPG, PNG and WebP to an exact file size without sacrificing quality.

Target Size (KB)

Output Format

📁

Drop JPG, PNG or WebP images here

Accepts: .jpg, .jpeg, .png, .webp · Max 20 MB

Your files never leave your device

How to Use

1
Upload your images
Drag and drop one or more JPG, PNG or WebP files, or click to browse.
2
Set the target size
Enter your desired file size in KB.
3
Choose output format
Keep the original format, or convert to JPG or WebP for better compression.
4
Click Compress
The tool compresses each file in your browser using a web worker.
5
Download your files
Download each compressed file individually with the size and savings shown.

Whether you need to upload a profile picture, attach documents to an email, or optimize graphics for your website, finding a reliable image compressor is essential. Large image files can slow down websites and exceed upload limits on government portals and social media platforms.

How to Compress Image Online

This free tool lets you compress image online directly in your web browser. Simply drag and drop your photos, set a target file size (for example, 100KB or 50KB), and the tool will automatically adjust the settings to hit that target. This is much faster and easier than manually tweaking quality sliders in photo editing software.

Because this is a true browser-based photo compressor, your files are never uploaded to our servers. All the processing power comes from your device, ensuring complete privacy and lightning-fast results, even on a slow internet connection.

Supported Formats

You can easily compress JPG files, which are standard for photographs, or compress PNG files (often used for screenshots and graphics with transparent backgrounds). If you want the absolute smallest file size, we highly recommend using the tool to convert and compress WebP, a modern format that provides superior quality at a fraction of the size.

Tips for Best Results

Be realistic with your target size: If you try to shrink a 10MB ultra-high-resolution photo down to 20KB, the image size reducer will have to heavily degrade the quality and shrink the dimensions.
Convert PNG to JPG or WebP: PNG files are lossless and inherently large. If your image doesn't need a transparent background, converting it to JPG or WebP during compression will massively reduce photo size.
Check the final dimensions: To hit very small target sizes, the tool may resize the physical dimensions (width and height) of your image.