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Resize Image to Specific KB — Free Online

Resize images to a specific KB file size online for free. Set exact target file sizes for forms, passports, applications, and upload portals. No signup required.

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Government forms, visa applications, job portals, and college admissions systems often specify exact file size limits in kilobytes — sometimes as strict as 50KB, 100KB, or 200KB. Getting an image to hit an exact target requires adjusting both pixel dimensions and compression quality simultaneously. Glopix combines both controls in one step.

Step-by-Step Guide

1

Upload Your Image

Upload the photo you need to resize to a specific KB size. Check the current file size shown on upload.
2

Resize Pixel Dimensions

For very small KB targets (under 100KB), set width to 600–800px. For 200–500KB, 1200px width usually works.
3

Adjust Compression Quality

Set JPG quality to 80 for general use, adjusting down if the file is still too large. WebP format achieves smaller targets at higher quality levels.
4

Verify Output Size

The output file size is displayed before download. Adjust and reprocess until it hits your target KB range.

Related Tools

Check current file size

Frequently Asked Questions

How do I reduce a photo to 50KB? expand_more

Resize to 600px width and set JPG quality to 70, or WebP quality to 65. This typically brings photos to 30–70KB depending on complexity.

How to get a photo under 200KB for a visa application? expand_more

Resize to 800×800px (most visa applications require square format) and set JPG quality to 80. This usually achieves 80–180KB for standard passport-style photos.

What's the minimum quality I should use? expand_more

Quality 65 for JPG, quality 60 for WebP. Below this level, artefacts become visible and images may be rejected by automated systems that check image quality.

Does the KB limit refer to the uncompressed or compressed file? expand_more

Always the compressed file size — what you see in your file explorer. The KB value shown in Glopix's output is exactly what the downloaded file will be.