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Compress PNG to 50KB
Drop a PNG, keep 50 KB and download a lightweight JPG that fits the limit.
Advanced (optional): exact pixels or minimum KB
Many forms ask for pixels as well as KB. Leave empty if yours does not. Examples are common sizes only – always use the size your form states.
✅ Done! Your images are ready
About this tool
PNG files keep every pixel exactly, which makes them large. Screenshots, scans and design exports often weigh megabytes. This page converts a PNG to JPG and fits it under 50KB.
How to use the PNG to 50KB tool
- Select your image. JPG, PNG, WebP and iPhone HEIC all work, and you can pick several at once.
- Check the size. The box is already set to 50. Change the number if your form says something different.
- Press the green button and download a JPG under 50 KB, or one ZIP for many files.
Compress mode keeps the best quality that still fits under your limit.
Where this helps
Screenshots for forms
Screenshots saved as PNG are often far bigger than a portal allows.
Scanned documents saved as PNG
Scans become much lighter as JPG.
Logos and graphics
Flat-colour graphics compress very well.
Chat and email
A 50KB JPG sends instantly.
What to expect
PNG to JPG removes transparency; the tool fills transparent areas with white. Sharp text and thin lines may look slightly softer at 50KB, so use 100KB if readability suffers.
Frequently asked questions
Why is my PNG so big?
PNG is lossless, so every pixel is stored exactly. Photos saved as PNG are often ten times bigger than the same photo as JPG.
What happens to transparent backgrounds?
They become white, because JPG has no transparency.
Can I keep the PNG format?
No. To reach a strict KB limit the file has to become a JPG. Keep your original PNG for other uses.
Is my photo uploaded anywhere?
No. Everything happens inside your browser, so your picture never leaves your device. No signup, no watermark.
Other sizes and tools
Compress image to a smaller size
Increase image size to a larger size
Signature, passport photo, formats and more
Prefer a percentage instead of a KB size? Use the quality-based image compressor, or read our image guides.