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Format Convert
Batch convert multiple images between JPG, PNG, WebP, GIF, and BMP formats at once in your browser. Fully secure and local.
Drag & drop files here, or browse
Max file size: 50 MB per file
JPGPNGWEBPGIFBMP
Conversion Options
90%
KB
Attempts to convert and resize images exactly under your target size in KB.
Batch Rename Template
Use text for prefix (e.g. travel-photo-1) or a starting number (e.g. 100, 101...).
File Queue (0)
Frequently Asked Questions
What formats can I convert between?
JPEG, PNG, WebP, GIF, and BMP. You can convert any supported format to any other, for example PNG to JPG, WebP to PNG, or GIF to WebP.
Can I convert multiple images at once?
Yes. Upload up to 20 images and batch convert them all. Each file can even have a different target format using per-card format selectors.
Does format conversion affect quality?
Converting to lossy formats (JPEG, WebP) applies quality-based encoding. The default 90% quality preserves excellent visual fidelity. Converting to PNG is lossless.
Can I convert to a specific file size?
Yes. Use the 'Target Size' mode to specify an exact KB target. The tool iteratively adjusts quality and dimensions to match your constraint.
Why would I convert PNG to WebP?
WebP typically produces 25-35% smaller files than PNG at equivalent quality. It's ideal for web use where smaller files mean faster page loads.
Are animated GIFs supported?
The tool accepts GIF files as input. However, conversion to other formats extracts only the first frame. Animated GIF preservation requires a dedicated tool.