Convert images
to WebP and AVIF
Convert PNG to WebP, JPG to AVIF, GIF, BMP, TIFF, and WebP files online with fast, private, browser-based image optimization.
Image Converter
Drag and drop to convert
hero-banner.png
2.4 MB -> 420 KB (-82%)
product-shot.jpg
1.8 MB -> 310 KB (-83%)
thumbnail.bmp
5.1 MB -> 180 KB (-96%)
Features
Everything you need
A powerful, privacy-focused image converter with all the features you'd expect from a premium tool - for free.
Blazing Fast
In-browser conversion powered by WebAssembly codecs. Results in seconds, without a network round trip.
Privacy First
Your images stay on your device during conversion. Nothing is uploaded to a backend.
Batch Convert
Upload multiple files at once and convert them all in a single click.
Quality Control
Fine-tune compression with our quality slider. Find the perfect size-to-quality ratio.
Format Choice
Choose between WebP for broad compatibility or AVIF for maximum compression.
ZIP Download
Download all converted files as a single ZIP archive. One click, all files.
How It Works
Three simple steps
Upload
Drag & drop or browse for your images. We support PNG, JPG, GIF, BMP, TIFF and more.
Convert
Choose WebP or AVIF, set your quality, and hit convert. Our engine does the rest.
Download
Grab individual files or download everything as a ZIP. Instant, no waiting.
Converter
Start converting
Drop images here or browse
PNG, JPG, GIF, BMP, TIFF - processed locally in your browser
FAQ
Answers for common image converter questions
PixelForge is built for people searching for a fast, free, and private way to convert images to WebP and AVIF online.
What is PixelForge?
PixelForge is a free online image converter that turns PNG, JPG, JPEG, GIF, BMP, TIFF, and WebP files into WebP or AVIF in your browser.
How do I convert PNG to WebP or JPG to AVIF?
Upload your image, choose WebP or AVIF, adjust the quality slider, and download the converted file. You can also convert multiple images and download them as a ZIP.
Is PixelForge free to use?
Yes. PixelForge is free to use with no signup, no watermark, and no paywall for the core conversion flow.
Are my images private on PixelForge?
Yes. The main conversion flow runs in your browser, so your images stay on your device during conversion.
Which image formats does PixelForge support?
PixelForge accepts PNG, JPG, JPEG, GIF, BMP, TIFF, and WebP files and exports optimized WebP or AVIF images.
Ready to optimize
your images?
Start converting for free. No sign-up, no watermarks, no limits.
Start Converting Now