Convert PSB to AVIF online in seconds — free, with no sign-up. AVIF is mixed and ideal for the smallest high-quality web images, with a JPEG/WebP fallback. Your files are encrypted and deleted automatically after 24 hours.
PSB
Photoshop Big Document — Photoshop's large-document format for images larger than 30,000 pixels.
AVIF
AV1 Image File Format — A next-gen format built on the AV1 codec, 40–60% smaller than JPEG with HDR and transparency.
How to convert PSB to AVIF
- 1Upload your PSB file
Click “Choose a file” or drag and drop your PSB file onto the page — no sign-up or email needed.
- 2Convert to AVIF
AVIF is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your AVIF file
Your AVIF file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
PSB vs AVIF
| PSB | AVIF | |
|---|---|---|
| Full name | Photoshop Big Document | AV1 Image File Format |
| Type | Raster image | Raster image |
| Compression | Lossless | Mixed |
| Best for | huge Photoshop files; exported to TIFF or PNG for sharing | the smallest high-quality web images, with a JPEG/WebP fallback |
Frequently asked questions
Does converting PSB to AVIF lose quality?
PSB is lossless and AVIF is compressed, so a small amount of data is discarded. We use a high-quality default, so the AVIF file looks identical to the original to the human eye while being much smaller.
What's the difference between PSB and AVIF?
Photoshop Big Document (PSB) is lossless and best for huge Photoshop files; exported to TIFF or PNG for sharing. AV1 Image File Format (AVIF) is mixed and best for the smallest high-quality web images, with a JPEG/WebP fallback. Convert PSB to AVIF when you need a raster image for the smallest high-quality web images.
Is the PSB to AVIF converter free?
Yes — converting PSB to AVIF is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my PSB files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert PSB to AVIF on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert PSB to AVIF?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert PSB files to?
Besides AVIF, you can convert PSB to BMP, GIF, ICO, JPG, PDF, PNG and more — see the full list of PSB conversions below.
Other conversions
Last updated July 2026