FREE ONLINE IMAGE TOOL · NO SIGNUP

Reduce Image Size in KB Online Free

Compress a photo to a chosen maximum KB size while seeing the actual result. Pick 20KB, 50KB, 100KB, 200KB or a custom limit; adjust quality only as much as necessary.

✓Free, no watermark◎Runs in your browser✦Control image quality⬇Download instantly

Need exact width and height? Use the Image Resizer.

Upload Your ImageClick or drag & drop JPG, PNG or WebP (up to 20MB)

Target maximum size (KB)

Quality setting (%)

Allow dimension reduction if needed

Maximum-size target, not an exact byte guarantee. Lower targets may reduce image quality.

Width (px)

Height (px)

Scale to (%)

100% means original pixel dimensions; 50% halves width and height.

Output format

When sizes have different proportions

Lock aspect ratio Allow upscaling

JPG/WebP quality94%

Select an image to start. Your image stays on your device.

Original uploaded image preview — **Before** · Original

Output image after resize — **After** · Resized

Original: Output:

↓ Download your image

Social sizes

Popular portrait, landscape and square presets

Dimensions

Resize to pixels or percentage with ratio lock

Quality controls

High-quality smoothing and export settings

Format options

Choose JPG, PNG or WebP

Privacy first

Browser-based processing without an account

Real size report

See actual output KB and pixel dimensions

See how it works — three easy steps

Real controls, no signup and no sample photos uploaded on your behalf.

Upload your picture

Example photo for demonstrating an image upload

Choose Image →

Select a supported file. You'll see its real dimensions and original size.

Set your options

50KB · 100KB · Custom

Choose your target, image format and sensible quality preferences.

Check the result

Illustrative landscape photo, not a measured compression result

Before → After

See actual output size and dimensions, then download when ready.

The photographs in this guide are illustrative; the tool shows the real result only after you upload and process your own image.

How to Reduce Image Size in KB Online

Need to submit a photo but the upload form says it is too large? PixReqly lets you set a maximum file size in kilobytes and find a compact output with the best practical image quality. Use it for government forms, school or job applications, email attachments and everyday sharing. Processing happens in your browser; the image isn't uploaded to PixReqly's servers by this tool.

Reduce a photo to 20KB, 50KB, 100KB or a custom limit

Select your JPG, PNG or WebP photo.
Enter the target file size or choose a quick preset such as 50KB or 100KB.
Choose JPG or WebP for a smaller photograph, or keep the source format where suitable.
Press Reduce Image Size. The tool checks quality settings and may lower dimensions if you enabled that option.
Compare the original and result. Check the actual KB and dimensions before downloading.

What is a KB reducer, and what does it change?

A KB reducer changes how an image is encoded, and sometimes how many pixels it contains, so its file size fits an upload limit. File size and pixel dimensions are not the same thing. A 1000 × 1000 photo can be 50KB or 1MB depending on format, content and compression. If you need exactly 300 × 300 pixels, visit the Image Resizer instead.

Image resizer in KB versus resizing in pixels

People often search for an image resizer in KB when their application asks for a maximum kilobyte limit. That usually requires compression, not just changing the width. PixReqly reports the actual result rather than claiming every photo will reach an exact number of bytes. Complex images may need noticeable compression or smaller dimensions to fit a very small limit.

Tips to keep your photo clear

Start from the original image. Crop unwanted background only if allowed. Prefer a suitable photograph format such as JPG or WebP for strict KB targets. If a form accepts 200KB, don't choose 20KB just because it sounds faster: using the highest permitted size often leaves more room for detail. Leave Allow dimension reduction off if the portal requires fixed pixels, and only turn it on after checking the application rules.

Why can't some PNG files reach 50KB?

PNG uses lossless compression, which does not discard details to meet a chosen file weight. A complex PNG may therefore stay above the limit unless its dimensions change or it is converted to JPG/WebP. Transparent images also require care: JPG does not support transparency and uses a solid background.

Frequently asked questions

Can I reduce image size to exactly 50KB?

The tool targets a maximum size in KB and reports the actual result. The final file may be below the target, and some formats or pictures cannot reach a very small limit without dimension reduction.

Does reducing size in KB affect quality?

Very small targets may require lossy compression or fewer pixels. We aim for the clearest available result under the target, but quality cannot be identical in every case.

How do I reduce image size without changing pixels?

Leave Allow dimension reduction unchecked. Select JPG or WebP if allowed; if the target cannot be met at the original dimensions, the tool will tell you.

Can I use a KB reducer for Indian online forms?

Yes, when the portal allows these formats and file sizes. Always confirm its dimension, background and file-type rules first.

Is this tool free and private?

There is no account or watermark. The compression is performed in your browser, not on our server.

Can I increase a photo from 50KB to 100KB?

Increasing file size is different from reducing it. For a minimum-size requirement use an image size increaser, and inspect the result before uploading.