PNG to AVIF — Compress Lossless Images With Next-Gen Efficiency
Convert PNG to AVIF for dramatically smaller files while maintaining high visual quality. Ideal for faster web delivery.
Drop PNG files here or click to select
.png (multiple files)
Settings
Files
Converting...
Preparing...
Format comparison
PNG (Portable Network Graphics) uses lossless compression and supports transparency. Ideal for logos and screenshots.
Pros
- ✓ Lossless compression
- ✓ Alpha transparency
- ✓ Great for sharp edges
Cons
- ✗ Larger file sizes
- ✗ Inefficient for photos
AVIF (AV1 Image File Format) is a modern image format that targets high compression efficiency while preserving quality. Depending on the environment, encoding/decoding can feel heavier than older formats.
Pros
- ✓ Strong compression efficiency
- ✓ Can support HDR / wide color in supported pipelines
- ✓ Transparency support
Cons
- ✗ Slow encoding
- ✗ Limited browser support
When to Convert PNG to AVIF
Use this to reduce the size of PNG assets by converting to AVIF. AVIF support varies, so confirm compatibility with your target platform.
Technical Format Details
PNG Technical Specifications
Technical details
PNG is a lossless raster format that preserves pixel data exactly. It supports alpha transparency, which makes it a common choice for logos and UI assets.
Good for
- Logos/icons: Assets that need transparency- Screenshots: Crisp text and line art
Notes
- Photos: Files can be large (WebP/JPEG may be a better fit)- Quality setting: Since PNG is lossless, “quality” controls may have little or no effect
Reference: W3C: PNG 3rd Edition
AVIF Technical Specifications
Technical details
AVIF is a modern image format often used for web optimization. It can be very efficient for photos, but performance and support vary across browsers and apps.
Good for
- Web delivery: Smaller files on supported platforms- Photos: Keeping quality while reducing size
Notes
- Performance: Encoding/decoding can feel heavier (split large batches when needed)- Compatibility: Not every environment can open AVIF — keep WebP/JPEG fallbacks if required
Reference: AOM: AVIF Specification
How to Use
Add files
Drop or click to select your PNG files (multiple supported)
Confirm output
Default is AVIF. You can change to another supported output format if needed.
Adjust options
Set quality, resize, and metadata options only if you need them.
Convert & download
Download each file, or download everything as a ZIP for batch outputs.
FAQ
How much smaller will PNG become as AVIF?
Typically 40–80% smaller, depending on image content. Photographic PNGs see the largest savings.
Is AVIF browser support sufficient?
Chrome, Firefox, and Safari (iOS 16+/macOS Ventura+) all support AVIF. As of 2024, 90%+ of browsers can display it.
Is transparency preserved?
Yes. AVIF supports alpha channels, so PNG transparency data is preserved.
Will converting reduce image quality?
It depends on the output format. PNG is lossless, so quality stays the same. Lossy formats like JPEG/WebP/AVIF/JXL can change file size and appearance depending on the quality setting. Always verify with the final output before publishing.
Can I keep Exif metadata?
When "Keep Exif/Metadata" is ON, we try to carry over things like capture time, camera info, and GPS where possible. Some tags may be dropped depending on the input, output format, and browser environment. Turn it OFF if you want to remove location data before sharing.
Can I convert multiple files at once?
Yes. You can select multiple files, convert them in one run, and download each file individually. For multiple outputs, you can also download everything as a ZIP. For very large batches, splitting into smaller runs is more stable.
Are my images uploaded to a server?
No. Conversion runs locally in your browser, and your images are not sent to an external server.
Why do colors sometimes shift after conversion?
Differences in decoding/encoding and color handling can cause small shifts. For critical images, compare the output against the original.
References
- W3C: PNG 3rd Edition
Official PNG/APNG specification reference.
- AOM: AVIF Specification
Normative AVIF container and coding behavior.
- JPEG Committee
Primary standards source for JPEG and JPEG XL.
- Google Developers: WebP
Reference for WebP encoding and support behavior.
More Tools
EXIF Remover (GPS & Date Taken)
Remove photo metadata like GPS and date taken before sharing. (HEIC/JXL supported)
Image Converter & Compressor (HEIC/WebP/AVIF/JXL)
Convert to JPEG/PNG/WebP/AVIF/JXL with quality control, plus format-specific pages for common pairs.
Character Counter (Lines & Bytes)
Count characters, lines, and bytes in real time — great for posts and drafts.
![[The latest in 2026]How to Bypass Antigravity Rate Limits: Why Gemini 3 Pro Is the Best Alternative to Opus for Vibe Coding](/images/blog/antigravity-opus-limit-claude-code-comparison-en.webp)
