Can I convert NEF to AVIF on iPhone, Android, Mac or Windows?

Yes. ConvertPixels works in Safari, Chrome, Edge and Firefox on any device, so you can convert NEF to AVIF on your phone or computer without installing an app.

Is there a free NEF to AVIF converter with no sign-up?

Yes, this one. Converting NEF to AVIF on ConvertPixels is free, with no sign-up, no watermark and no daily cap. Convert up to 30 files per batch, each up to 50 MB.

Can I convert NEF to AVIF without losing quality?

AVIF is a lossy format, but our default quality setting (85) keeps the result visually identical to the original. Turn quality up in the options for maximum detail, or down for a smaller file.

Can I batch convert NEF to AVIF?

Yes. Add up to 30 NEF files and convert them in one batch. You can even choose a different output format for individual files, then download them separately or together as a ZIP.

Is it safe to upload NEF files to ConvertPixels?

Yes. Uploads use an encrypted connection and are processed automatically - nobody views them. Your originals are deleted straight after conversion and the results within an hour, or instantly if you click "Delete from server now".

Convert

NEF to AVIF Converter

Convert NEF images to AVIF online in seconds - free, with no sign-up and no watermark. Batch convert up to 30 files and download them together as a ZIP.

Free
No sign-up
No watermark
Private by design

Choose filesor drag and drop files hereUp to 30 files · 50 MB each

Image Converter

How to use it

1
Drop your NEF files onto the converter
2
Press Convert to turn them into AVIF
3
Download your AVIF images one by one or as a ZIP

NEF to AVIF

Why convert NEF to AVIF?

The main difference: NEF is an unprocessed sensor data format, while AVIF is a lossy or lossless format. AVIF can have a transparent background, NEF can't.

Develop RAW into a ready-to-use photo

A NEF file holds the raw readings from the camera sensor, not a finished picture. Converting it to AVIF applies the camera's colors and gives you a normal photo you can share, print or post right away.

Smaller files, faster uploads

AVIF supports lossy compression, so your file typically ends up a fraction of the NEF size - quicker to attach to an email, upload to a form or load on a web page.

Supports transparent backgrounds

AVIF can hold a transparent background. Convert your image first, then cut out the background or place it on top of other designs.

Lighter images for your website

At the same visual quality, AVIF files are noticeably smaller than JPG or PNG. Lighter images mean faster pages, better Core Web Vitals and a small boost for SEO.

NEF vs AVIF: what's the difference?

Property	NEF	AVIF
Compression type	Unprocessed sensor data	Lossy or lossless
Transparent background	No	Yes
Animation	No	Yes
Where it opens	None (needs a RAW editor)	Chrome, Edge, Firefox and Safari 16+; many apps can't open it yet
Used for	Straight-from-camera photos for editing	The smallest high-quality images for the web

What is an NEF (camera RAW) file?

NEF is the camera RAW format of Nikon - Nikon DSLRs and Z-series mirrorless cameras. Instead of a finished photo, a RAW file stores the unprocessed data straight from the camera's sensor.

That gives photographers maximum room to adjust exposure, white balance and color afterwards, but RAW files are large (often 20-60 MB) and need special software to view. Converting to JPG produces a normal photo you can share right away.

How to open an NEF (camera RAW) file

Nikon NX Studio opens NEF files, and Adobe Lightroom, Photoshop (Camera Raw), Capture One, darktable and RawTherapee support them too. Mac Photos and Preview open most RAW formats; on Windows, the free Raw Image Extension adds support to the Photos app. Without any of these, convert NEF to JPG online.

Extension: .nef
Made by: Nikon cameras
Contains: Unprocessed sensor data
Best for: Editing straight-from-camera photos

What is an AVIF file?

AVIF (AV1 Image File Format) is a modern image format based on the AV1 video codec, developed by the Alliance for Open Media - Google, Apple, Microsoft, Netflix and others. It typically produces smaller files than both JPG and WebP at the same visual quality.

AVIF supports transparency, HDR and wide color, which makes it a favorite for fast websites. Support outside browsers is still patchy, so downloaded AVIF files often need converting.

How to open an AVIF file

Chrome, Edge, Firefox and Safari 16+ display AVIF. Windows 11 opens it in Photos once the free AV1 Video Extension is installed; macOS Ventura and later preview it. For editors and forms that refuse it, convert to JPG or PNG.

Extension: .avif
Compression: Lossy or lossless (AV1)
Transparency: Yes
Best for: The smallest high-quality web images