AVIF to JPG
Decoded by your own browser, which already speaks AVIF.
82% is where most photographs stop looking any better. Text and flat colour want more.
The short answer
AVIF is the smallest of the widely readable image formats and the least widely readable outside a browser. Converting to JPEG costs you a little detail from the second lossy encode and buys you a file that every piece of software made in the last thirty years will open.
AVIF is the smallest of the widely readable formats and the least widely readable outside a browser. This converts it to JPEG, which everything opens.
The formula
decode the AVIF → draw it onto a canvas over white → encode as JPEG at the quality you pick
Worked examples
- An AVIF from a web page
- a JPEG any form will take
- An AVIF with transparency
- the background becomes white
- Quality 82%
- no visible change on a photograph
Reference table
| Format | Size | Browsers | Desktop software |
|---|---|---|---|
| AVIF | Smallest | All current | Rare |
| WebP | Small | All current | Patchy |
| JPEG | Larger | All | Universal |
| PNG | Largest | All | Universal |
How to use it
- 01Drop the AVIF inYour browser decodes it natively, so there is no upload and no wait.
- 02Choose the quality82% is invisible on a photograph. Raise it if the image contains text.
- 03Save the JPEGBoth file sizes are shown; expect the JPEG to be larger.
Also searched for
Searches that land here include avif to jpg, avif to jpeg, convert avif, open avif file and avif converter.
AVIF, and why you are converting away from it
What it is
AVIF is a still image in the AV1 video codec's compression, which is why it is so much smaller than everything before it. The same picture that needs 200 kB as a JPEG often fits in 80 kB as an AVIF at the same visible quality, and it supports transparency and high dynamic range as well.
The gap is outside the browser
Browser support is effectively universal now. Everything else lags: photo printers, older versions of design software, corporate document tools, and any upload form that validates by extension against a list written before 2020. When one of those refuses your file, JPEG is the format nothing refuses.
Keep the AVIF
The conversion is one-way in terms of quality: the JPEG is a second lossy encode of an already lossy file. Keep the original AVIF for the web, where it is the better file by a wide margin, and treat the JPEG as the copy you hand to software that cannot cope.
Questions people ask
Why will nothing open my AVIF?
Because it is new. Browsers have read AVIF since about 2020, but plenty of desktop editors, office suites, print services and upload forms still do not. It is the same compatibility gap WebP had a decade earlier, and JPEG is the same answer to it.
Why is the JPEG bigger than the AVIF was?
Because AVIF is a much newer codec. It routinely reaches half the size of a JPEG at the same visible quality, so going the other way roughly doubles the file. That is the price of a format everything can read.
What happens to transparency?
It becomes white. AVIF supports an alpha channel and JPEG has none, so something has to go behind the transparent pixels. If the transparency matters, convert to PNG instead, or keep the AVIF and give people the PNG only when they ask.