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Free image tool

Photo Resizer in KB

Resize and compress your images to a target file size in seconds, right in your browser. Upload your image and set a KB target on the left, then preview and download the optimized photo on the right.

Working field

Upload an image and set a target size.

Upload image

Enter the desired size in KB (for example, 100).

Tip: The tool gets as close as possible to your target KB. Very detailed photos may land slightly above or below it.

Result

Your resized image appears here.

Upload an image on the left and set a target size. Your original and resized previews will show here.

This tool is best for hitting strict upload size limits on forms and portals.

Resize Photo by Target KB Free & Instant

Need to resize an image to 50KB, 20KB, 100KB, 15KB, or 200KB? You're in the right place. Our free Photo Resizer in KB lets you resize and compress your images to a target file size without compromising quality. Whether you're reducing file size for online forms, government portals, college admissions, or social media uploads, this tool makes it effortless.

Upload your JPG, PNG, or WebP image, set your desired file size (in KB), and download the optimized version. The tool automatically compresses and resizes the photo using advanced HTML5 canvas compression. It maintains the visual integrity of the image while getting it as close as possible to your requested file size. No external server is used — all processing happens locally on your browser, ensuring complete privacy and speed.

Whether you're preparing a passport photo under 100KB, reducing images for job applications, compressing pictures for WhatsApp or email under 200KB, or resizing for web uploads like Shopify or WordPress, this image size reducer is your best option. You can also resize the photo to 50KB or less if needed — perfect for form submissions with strict size limits. For other resizing options, check out our Photo Resizer by KB.

No signup, no watermark, no limits. Just select your image, choose your target size — for example, resize the image to 20KB — and let the tool do the rest. Our compression engine adjusts image quality and dimensions to help you achieve the closest match possible. Results may vary slightly depending on the complexity of the image, but you'll get an optimized version in seconds. You can also try our Image Compressor for general file size reduction.

This tool is handy for users who need:

  • Resize the image to under 100KB for online forms and government IDs
  • Compress the image to 200KB or less for college or job portals
  • Reduce image to 20KB or 15KB for super-light uploads and avatars
  • Resize images for WhatsApp, email attachments, or lightweight sharing

Our image resizer by KB is fully mobile-friendly and responsive. It works seamlessly on desktops, smartphones, and tablets. You don't need to install any app or software — everything works inside your browser. This makes it perfect for quick, on-the-go image editing.

Whether you're a student submitting documents online, a developer working with optimized assets, or someone who just wants to compress a photo for faster sharing, our tool delivers accurate, high-speed results with no hassle. Try resizing your image to exactly 50KB or even under 15KB — it's completely free and unlimited.

Frequently Asked Questions (FAQs)

Can I resize to the exact KB?

We aim to get as close as possible to your target size (e.g., 50KB, 100KB, 20KB) using intelligent compression and resizing. Results may vary slightly depending on the image content and complexity.

Is this Resize Photo tool secure?

Absolutely. All compression is done in your browser using HTML5 canvas. No images are uploaded or stored on any server, ensuring total privacy.

Which image formats are supported?

The Resize Photo tool supports JPG, PNG, and WebP formats. The output will be in optimized JPG format for maximum compatibility and minimal size.

Does it work on mobile?

Yes! Our Image resizer is fully responsive and works perfectly on phones, tablets, and desktops — no app required.