Modern formats
Convert image sets to WebP or AVIF for smaller web assets and faster delivery.
Free Batch Image Format Converter - WebP, AVIF, JPEG & PNG
Create modern web formats for faster pages while keeping every source file private. Runs entirely in your browser with no uploads.
Drop images, or click to choose
Why choose BatchTool Image Format Converter?
Mixed-source batches
Choose one output format for batches that contain WebP, AVIF, JPEG, and PNG sources together.
Quality control
JPEG, WebP, and AVIF expose quality control; PNG remains lossless.
Generate web-ready image formats before upload.
Use the converter before publishing blog images, ecommerce photos, marketing visuals, and documentation assets. WebP and AVIF outputs are useful for performance-focused sites, while JPEG and PNG remain available for compatibility.
Best use cases for Image Format Converter
Web performance teams
Generate WebP or AVIF assets for faster page loads while keeping JPEG and PNG available for compatibility.
CMS migrations
Convert legacy image libraries into a single publishing format before uploading them to a new site.
Design handoff
Prepare cross-format exports for developers, marketers, and ecommerce teams without sending files to an external converter.
Frequently asked questions
Which image formats can BatchTool convert?
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BatchTool converts image batches between WebP, AVIF, JPEG, and PNG. You can choose any supported output format, even when the selected batch contains mixed source formats.
Does the quality setting apply to every output format?
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Quality is used for JPEG, WebP, and AVIF encoding. PNG output is lossless, so the quality setting is hidden when PNG is selected.
Why convert images to WebP or AVIF?
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WebP and AVIF can reduce file size for web pages while preserving visual quality, which can help page speed and image-heavy landing pages or product catalogs.