Popular converter
PNG to AVIF Converter
Convert PNG files to AVIF online for free. Use this PNG to AVIF converter for uploads, editing, websites, previews, and app compatibility.
Conversion details
Start with PNG
transparent graphics, screenshots, UI assets, and lossless images
Export as AVIF
modern browsers, high compression, and image-heavy pages
Before you share
AVIF can produce very small files, but older apps may need a fallback. Keep the original PNG file until the converted AVIF opens correctly where you need it.
When this converter is the right fit
Best PNG source files
transparent graphics, screenshots, UI assets, and lossless images
When AVIF is the right output
modern browsers, high compression, and image-heavy pages
What to verify before sharing
AVIF can produce very small files, but older apps may need a fallback. Open the converted file and keep the original PNG until the AVIF result works where you need it.
File handling checklist
- Start without creating an account.
- Use the exact PNG to AVIF route from this page.
- Upload .png files and expect .avif downloads.
- Batch uploads must use the same input extension.
- Review the output before replacing your source file.
- If the destination app rejects the result, try a related output format below.
Download and handoff plan
Confirm the downloaded extension
This route is expected to produce .avif files. If your browser or destination app renames the file, check the download name before uploading it.
Test the destination before deleting the source
Open the AVIF output in the app, form, player, editor, or device that requested it, then keep the original PNG until the final upload or handoff succeeds.
Use a related converter when requirements change
If the destination rejects .avif, use the related converter links on this page instead of renaming the file extension by hand.
Where this output works best
Use PNG to AVIF when your destination needs modern browsers, high compression, and image-heavy pages.
Good destinations
- Upload forms, profile images, marketplaces, CMS tools, and design handoffs
- Screenshots, scans, product photos, transparent graphics, and web assets
- Email, chat, school portals, job portals, and print or review workflows
Output checks
- Open the output and inspect orientation, crop, color, transparency, and small text.
- Check the destination file-size limit before replacing the source image.
- Keep the original image if quality, layers, metadata, or future editing matters.
If requirements change
Accepted files and output for this route
Upload extensions
This converter accepts .png files for the PNG input.
Download extension
Results are prepared as .avif files for the AVIF output.
Batch plan
Add up to 10 files at once, and keep each batch to the same input extension so every item uses this exact route.
Practical PNG to AVIF workflow
Convert PNG files in one focused route
Use this page when your source files are PNG and every selected file should become AVIF. Batch selection works best when the files share the same input extension.
Choose AVIF for the destination app
AVIF is a good fit for modern browsers, high compression, and image-heavy pages. If the app or upload form asks for a different file type, use the related converters on this page instead.
Keep a verified original
AVIF can produce very small files, but older apps may need a fallback. Keep the original PNG until the converted AVIF opens, uploads, or plays correctly in the final destination.
Verification checks
- Confirm the source file is really PNG, not just renamed with a different extension.
- Use AVIF only when the destination accepts that format.
- zoom in on edges, transparency, colors, and small text
- Keep the original file until the converted output is accepted.
Choose the right output before converting
Use AVIF when the destination asks for it
AVIF is the right choice when your upload form, editor, printer, website, or design tool accepts AVIF and you need modern browsers, high compression, and image-heavy pages.
Keep PNG when source quality matters
PNG is lossless and keeps sharp edges and alpha transparency. Keep the source file until the converted AVIF passes the final upload, playback, or review check.
Switch output if the result is rejected
If AVIF is not accepted, try a related format instead. Common fallbacks for this route are JPG for photos, PNG for sharp graphics, or PDF for document-style submissions.
Why convert PNG to AVIF?
Image formats differ in file size, transparency, editing support, and browser compatibility. PNG is often used for transparent graphics, screenshots, UI assets, and lossless images, while AVIF is useful for modern browsers, high compression, and image-heavy pages. Converting PNG to AVIF helps when a website, app, editor, or device expects the output format.
Before you convert
Check transparency, edge sharpness, colors, orientation, and whether the output opens in the app or upload form you plan to use. Keep the original PNG file until you have opened and reviewed the converted AVIF file.
Best uses for AVIF
AVIF output is best for modern browsers, high compression, and image-heavy pages. This converter is useful when you need a practical AVIF copy without installing desktop software.
Common upload errors this can fix
Use this converter when an upload form says the file type is not supported, when an app cannot preview the PNG file, or when a recipient needs a more familiar AVIF file. Always match the output to the format requested by the destination, especially for job portals, school submissions, marketplace listings, CMS uploads, and social platforms.
PNG vs AVIF
PNG is commonly used for transparent graphics, screenshots, UI assets, and lossless images. AVIF is commonly used for modern browsers, high compression, and image-heavy pages. The best choice depends on whether you need compatibility, editing support, smaller file size, stable layout, transparency, playback support, or a format that a specific upload form accepts.
Conversion checklist
After converting, open the AVIF file before deleting the original PNG. Check file size, readability, playback or preview behavior, and whether the converted file works in the exact app, website, or device where you plan to use it.
PNG to AVIF FAQ
How do I convert PNG to AVIF?
Upload your PNG file, keep PNG as the input format, choose AVIF as the output, then start the conversion and download the converted file.
What is the best use for this PNG to AVIF converter?
Use PNG to AVIF when your destination accepts AVIF more reliably than PNG, or when the output workflow specifically asks for a AVIF file.
Is this PNG to AVIF converter free?
Yes. You can convert files online without creating an account or installing desktop software.
Will converting PNG to AVIF change quality?
Quality depends on the source file and output format. Check transparency, edge sharpness, colors, orientation, and whether the output opens in the app or upload form you plan to use. Keep the original PNG file until you have opened and reviewed the converted AVIF file.
Why would a website reject my PNG file?
Many upload forms accept only a short list of formats. If the form asks for AVIF, convert the file first, then open the result and confirm the upload accepts it.
Does AVIF support transparency?
AVIF can support transparency in the right workflow, but you should still check transparent edges after conversion.
Will this make my image smaller?
File size depends on the source image and output format. Photos often become smaller as JPG or WebP, while graphics, screenshots, and transparent images may need PNG or WebP for better quality.