Compress JPG, JPEG, PNG, and WebP images toward a 100 KB target. Adjust the target size or dimensions when needed, preview the result, and download it in your browser.
100 KB Image Compressor
Compress images toward a 100 KB target without relying on guesswork. Upload a JPG, JPEG, PNG, or WebP image, choose the file size you need, adjust dimensions when necessary, and preview the result before downloading.
The 100 KB target is a starting point rather than a hard limitation. You can increase or decrease the target size depending on the requirements of a website, form, email, application, or other workflow.
When resizing is needed, use the Width and Height controls. Lock Aspect Ratio helps preserve the original proportions so the image does not become stretched or distorted.
100 KB is a useful starting target for many everyday image optimization tasks, but the best size depends on the image and where it will be used.
Smaller images can reduce the amount of data a browser needs to download.
A target-size workflow is useful when a website, portal, or application specifies a maximum file size.
Set a target instead of repeatedly changing a quality percentage and checking the resulting file size.
If the original image is oversized, reducing width or height can complement file-size compression.
A target-size compressor is useful anywhere image dimensions or file size need to stay within practical limits.
Create smaller image files for pages, articles, landing pages, and content management systems.
Reduce image weight while keeping dimensions appropriate for the page layout.
Create more compact catalog and product images for stores and marketplaces.
Prepare images when an application or portal has a file-size requirement.
Make image attachments smaller and easier to send.
Resize and compress photos for profiles, directories, dashboards, and portals.
Reduce large screenshots while controlling their output dimensions.
Prepare lighter images for publishing workflows where file size matters.
Use the controls independently or together depending on what the final image needs.
| Control | What It Does | Useful For |
|---|---|---|
| Target Size | Controls the desired output file size. | Forms, uploads, websites, and workflows with KB or MB limits. |
| Width | Changes the output image width. | Reducing oversized images or fitting a specific layout. |
| Height | Changes the output image height. | Matching a required image height or reducing dimensions. |
| Lock Aspect Ratio | Maintains the original width-to-height relationship. | Preventing distortion while resizing. |
The best format depends on the image content, transparency requirements, and final destination.
| Format | Best For | Notes |
|---|---|---|
| JPG / JPEG | Photos, portraits, and colorful images. | A common choice for photographic images because lossy compression can reduce file size substantially. |
| WebP | Modern websites and performance-focused image delivery. | Often provides efficient compression while maintaining good visual quality. |
| PNG | Logos, screenshots, icons, and transparent graphics. | Useful when transparency or sharp graphical edges need to be retained. |
File size and image dimensions affect each other, so choose the simplest combination that meets your requirement.
Focuses on reducing file size without intentionally changing image dimensions.
Best for: When the existing width and height are already appropriate.
Combines resizing with compression to reduce the total image payload.
Best for: Large photos, screenshots, hero images, and oversized uploads.
Keeps the original aspect ratio while changing width or height.
Best for: Most general-purpose resizing workflows.
The compressor combines target-size control with optional image resizing.
Start with a 100 KB target and adjust it when your requirement is different.
Increase or decrease the target file size instead of relying on a fixed compression setting.
Resize image dimensions when reducing resolution is useful.
Keep the original image proportions while changing width or height.
Supports JPG, JPEG, PNG, and WebP images.
Review the processed image before saving the final file.
Upload, configure, process, preview, and download from the same page.
Use the compressor on desktop, tablet, or mobile devices.
Follow these steps to reduce the file size and optionally resize the image.
Choose a JPG, JPEG, PNG, or WebP image from your device.
Start with the 100 KB target or change it to the file size you need.
Change width or height when resizing is needed and use Lock Aspect Ratio to preserve proportions.
Check the processed image and save the result when you are satisfied.
Use the format that best matches your image and output requirements.
Suitable for photographs, portraits, and general image uploads.
A modern image format that can provide efficient web delivery.
Useful for transparent graphics, logos, screenshots, and sharp edges.
A starting file-size target that can be adjusted when a different limit is required.
Choose another image compression workflow when you need a different target file size or compression format.
Answers to common questions about target size, resizing, formats, and aspect ratio.
It reduces JPG, JPEG, PNG, and WebP images toward a 100 KB target. You can also adjust the target size and resize dimensions when your upload or workflow has additional requirements.
Yes. 100 KB is the starting target for this page, but you can increase or decrease the target size to match your specific requirement.
Yes. You can adjust the output width and height when resizing is needed. This can help reduce image dimensions as well as file size.
Lock Aspect Ratio keeps the original width-to-height relationship while resizing. This helps prevent the image from looking stretched or squashed.
Compression and resizing are separate controls. If you do not change the dimensions, the image can be compressed without intentionally changing its width and height.
PNG transparency can be preserved when the output format and compression process support it.
The compressor aims to get as close as practical to the selected target. Exact file size can vary because image formats and encoding settings have technical limits.
Yes. You can preview the processed image before downloading it so you can check the result.
Yes. The interface is designed to work on phones, tablets, and desktop browsers.
100 KB can be a useful starting target for many web images, but the ideal size depends on the image dimensions, visual requirements, format, and page context. There is no single file-size target that is best for every website.
Begin with the 100 KB target, adjust the file size or dimensions when needed, preserve the aspect ratio, preview the result, and download the optimized image.
If a website or application requires an image to be below 100 KB, start with the 100 KB target and check the resulting file size. If the file is still above the limit, reduce the target or image dimensions and process it again.
There is no universal setting that can make every image reach 100 KB without visual changes. Photos, screenshots, graphics, dimensions, and image formats compress differently. For the best result, use the smallest target that satisfies the requirement while keeping the image visually useful.