AI Background Removal Transparent AVIF Never Saved to Disk

Remove Background to AVIF

Cut out the subject and download a transparent AVIF in one step — full alpha transparency, the smallest transparent format, and never stored on our servers.

Why remove the background to AVIF?

A clean cutout only works if the format that carries it supports transparency — and stays small enough to load fast. PNG keeps the alpha channel but produces heavy files; JPEG can't do transparency at all.

AVIF is the most efficient transparent format in 2026: it keeps a full alpha channel so the subject floats on any background, produces files up to 50% smaller than PNG — and smaller than WebP at matching quality — with support across every major modern browser.

Common Use Cases

  • Ecommerce product shots on a clean background
  • Marketplace listings (Etsy, Shopify, Depop)
  • Profile pictures and team avatars
  • Stickers, emotes & Discord assets
  • Logos and product cutouts for decks
  • Hero graphics and Open Graph images
Does the AVIF keep transparency?
Yes. The removed background becomes a full alpha channel in the AVIF output, so the subject stays cut out on any background — no white box introduced.
Do I need an account?
No — background removal works without signing up, within the same free usage limits as any other conversion. Create a free account or upgrade for a higher monthly allowance.
Why AVIF instead of WebP or PNG for cutouts?
AVIF produces the smallest transparent files of the three — typically up to 50% smaller than PNG, and smaller than WebP at matching quality. If you need the widest possible compatibility, WebP is a safe fallback; for the best size on modern browsers, AVIF wins.
What images work best?
Photos with a clear main subject — a person, product, or object — give the cleanest edges. Busy scenes with no obvious foreground are harder to cut out reliably.
Need a solid background instead of transparent?
Use Magic Flow on the homepage and describe it — for example, 'remove the background and place it on white' — to composite the cutout onto a solid colour, handy for marketplaces that require a white background.
Are my files stored anywhere?
Never. Mochify processes everything in memory and wipes the data immediately after your download completes. No copies are kept on our servers.

How the cutout works

1

Upload your image

Drop in a JPG, PNG, HEIC, AVIF or WebP. Nothing is written to disk.

2

AI finds the subject

A saliency model isolates the foreground and masks out the background.

3

Download a transparent AVIF

The cutout is exported as an AVIF with full alpha, ready to drop anywhere.

Transparent cutout: choosing the right format

FormatTransparencyFile sizeBest for
AVIF✓SmallestModern web — the best size for cutouts
WebP✓SmallNear-universal support — a safe fallback
PNG✓LargePrint, lossless archiving, legacy tools
JPEG✗SmallNo transparency — not for cutouts

Also available

Remove Background to WebP →

Same cutout, near-universal WebP support

SVG to AVIF →

Rasterise vector assets to AVIF with transparency