AVIF — AV1 Image File Format
Open Beta.avif · image/avif
AVIF is a modern raster format built on a key frame of the AV1 video codec inside a HEIF container. On osm2cdr.ru the map is first rendered to PNG and then transcoded to AVIF via Pillow. At comparable visual quality the file is 30–50% lighter than WebP, which noticeably saves bandwidth for mobile users. It is a flat picture of the map, not editable layers: labels and outlines are baked into pixels. Note that the alpha channel is dropped during conversion, so the background becomes opaque.
Export AVIF now
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Key Features
✓30–50% better compression than WebP at the same visual quality
✓HEIF container with AV1 intra-frame, MIME type image/avif
✓Configurable quality and encoding speed (defaults: quality 50, speed 6)
✓A raster snapshot of the map — pixels ready to display, not editable layers
✓Supported in recent Chrome, Firefox and Safari (~96% of traffic)
What Program Opens AVIF Files
The following programs and applications can open, edit, and work with AVIF — AV1 Image File Format (.avif) files exported from OSM2CDR:
Google Chrome
Mozilla Firefox
GIMP
ImageMagick
Adobe Photoshop (plugin)
Format specifications
- Open standard
- 2D only
- Lossy compression
- No attributes
- Output: 1 file
- A single AVIF picture transcoded from PNG via Pillow (default quality 50); the alpha channel is dropped, so the background becomes opaque.
Who Uses AVIF Maps
Lightweight district map thumbnails for real-estate sites and travel guides
Hero and Open Graph images where a low Largest Contentful Paint matters
Delivering static maps via CDN, compiled once and served many times
Cutting mobile bandwidth without losing label and line readability
How to Export AVIF
1
Select area
Draw a rectangle or polygon on the interactive map at osm2cdr
2
Choose AVIF
Select AVIF — AV1 Image File Format from the list of 127 available export formats
3
Export
Click Export and receive your .avif file in 1-5 minutes
4
Download
Download the ready AVIF file and open it in Google Chrome
Popular maps in AVIF
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Frequently Asked Questions
Does AVIF keep map transparency? ▼
Can I edit layers in AVIF? ▼
Why is AVIF slower to encode? ▼