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If supported, use Install. On Android and desktop, look for Install app in the browser menu. On iPhone/iPad, use Safari → Share → Add to Home Screen. Menu names can vary by browser.

AVIF WebP image converter

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AVIF WebP image converter. Convert a single still image between AVIF, WebP, PNG and JPEG.

All tools are free to use. File size and processing limits may vary by tool.

How to use

Convert a single still image between AVIF, WebP, PNG and JPEG. Maximum 10 MB and 16 megapixels. Animated files are rejected. Uploaded files and downloads expire after 60 minutes.

How are files processed?

Browser tools keep files on your device. Advanced document tools upload files for temporary server processing; the tool shows this before upload. Web lookups send queries to the server and public lookup services.

Where can you use this on social media?

YouTube

Prepare a 16:9 frame for a YouTube video thumbnail, then check text readability and file size. Compressing an image does not compress a video.

Instagram

Prepare square or 4:5 artwork for an Instagram post, or 9:16 for a story. These are working options. Check cropping in the profile grid and app before posting.

TikTok

Prepare a 9:16 photo or vertical cover for TikTok. Keep titles away from edges where app controls may overlap. Image tools do not produce videos.

Facebook

Use images in Facebook posts, product pictures or link sharing. A 1200 × 630 working canvas is an option for link images; check the final view on phone and desktop.

Sources checked:
Official platform guidance
Practical guide

AVIF WebP Image Converter: Modern Formats for Speed

If page speed matters, converting images to AVIF or WebP can help. This server tool handles one still image at a time between AVIF, WebP, PNG, and JPEG, accepts files up to 20 MB, and keeps the download link valid for 60 minutes. Animated files are not supported. AVIF saves size but may not open in older browsers.

Read the guide →

Practical articles on this topic

Image Formats: JPEG vs PNG vs WebP Comparison

JPEG, PNG, and WebP — three fundamental image formats. Which one should you use when?

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Image Resizer

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Crop Image

Crop images in the browser. Drag the edge guides on the preview to mark the area, then download as PNG or JPG. Up to 20 MB and 40 megapixels, and files are never uploaded.

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JPG to PNG

Select a JPG and run it; the lossless PNG version downloads. If the photo has no transparency, only the format changes. Files are processed in this browser and never uploaded.

How to convert? Select the JPG and run it; a PNG suited to print and archiving downloads. No transparency is gained, only the format changes. Download and u

PNG to JPG

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WebP to JPG

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