Koala Convert

Convert to WebP, PNG, and JPG.Free, private, no upload.

Convert to WebP, PNG, or JPG. Free, private, no upload. 100% local browser processing.

Start Converting for FreeSee how it works
Your files never leave your device. Ever.

How Koala Convert works

Drop your files

Drag and drop or click to upload. No account needed.

Pick your format

Choose WebP, PNG, or JPG based on your workflow.

Download instantly

Files convert in seconds and download straight to you.

Built different

100% local processing

Your files convert inside your browser using WebAssembly. They are never uploaded, never stored, never seen by anyone but you.

No account to start

Drop files and go. Create a free account only if you want more: 50 conversions a week and bulk up to 20 at a time.

WebP, PNG, and JPG

Pick the output you need for web speed, transparency, or broad compatibility without leaving your browser.

Popular converter tools

Jump directly to the workflow you need and convert faster.

Convert images to WebP in Koala Convert with private browser-based processing and no uploads.

Convert to WebP

Best for modern web delivery with excellent compression.

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Convert images to PNG in Koala Convert with local processing and transparency-friendly output.

Convert to PNG

Great for lossless exports, graphics, and transparency.

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Convert images to JPG in Koala Convert for broad compatibility using local browser conversion.

Convert to JPG

Ideal for compatibility-first photo and marketplace workflows.

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Popular format pairs

Intent-focused pages for the exact conversion pair you searched for.

JPG to WebP conversion workflow in Koala Convert for faster web image delivery.

JPG to WebP

Optimize photo-heavy pages for faster web delivery.

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PNG to WebP conversion in Koala Convert for smaller transparent web assets.

PNG to WebP

Shrink PNG assets for modern frontend performance.

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WebP to JPG conversion in Koala Convert for compatibility with legacy tools and uploads.

WebP to JPG

Convert for compatibility with email and legacy tools.

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WebP to PNG conversion in Koala Convert for editing workflows and alpha channel support.

WebP to PNG

Recover PNG output for editing and transparency workflows.

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PNG to JPG conversion in Koala Convert for smaller file sizes and broader compatibility.

PNG to JPG

Flatten transparency and reduce upload size.

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JPG to PNG conversion in Koala Convert for lossless output and graphics workflows.

JPG to PNG

Create lossless working files for re-edit and annotation.

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Start converting

Your session ends after 10 images. No signup needed to try it.

Convert to

Convert Images To WebP

Upload JPG, PNG, GIF, SVG, BMP, WEBP, or AVIF files. Conversion runs entirely in your browser.

Drop images to convert to WebP

Drag and drop files here, or use the button below to pick files.

Maximum file size: 100MB per file

Accepted input formats

JPGPNGWEBPGIFBMPSVGAVIF

Guest session: 0/10 conversions used.

Privacy-first conversionAll image conversion runs locally in your browser.Never uploaded

Upgrade only when you need more volume

Pay once a year and save 39%. Or keep it month-to-month. Both unlock the same unlimited Pro limits.

Most Popular
Pro Annual
$2.42/mo
Billed $29/year · Save 39%
  • ✓ Unlimited conversions
  • ✓ Bulk up to 500 at once
  • ✓ WebP, PNG, and JPG
Pro Monthly
$3.99/month
Month to month. Cancel anytime.
  • ✓ Unlimited conversions
  • ✓ Bulk up to 500 at once
  • ✓ WebP, PNG, and JPG
Free Account
$0
Your week resets at 50 conversions.
  • ✓ 50 conversions / week
  • ✓ Bulk up to 20 at once
  • ✓ WebP, PNG, and JPG

No account? You still get 10 images per session.

Questions

Does Koala Convert upload my files?
Never. All conversion happens in your browser using WebAssembly. Your files don't leave your device.
What formats are supported?
Koala Convert currently supports output to WebP, PNG, and JPG. Choose the format that best fits your delivery and compatibility needs.
What happens when I hit my free session limit?
After 10 images, your session ends. Create a free account to get 50 conversions per week. Upgrade to Pro for unlimited.
Is Pro worth it?
If you convert images regularly for web projects, design work, or dev workflows, Pro pays for itself in time saved. The annual plan is $2.42 per month when billed yearly.

Your files stay yours.
Your conversions are instant.

Built for designers and developers who need private image conversion.

Start Converting Free

No credit card · No upload · Local processing