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Convert images between PNG, JPEG and WebP in one drag-and-drop — singly or in batches — with a quality slider for the lossy formats and live before/after file sizes. Conversion uses your browser's own codecs, so it's fast and nothing is uploaded.
Rule of thumb: WebP for the web (smallest), JPEG for universal compatibility and photos, PNG when you need transparency or lossless detail.
Frequently asked questions
What happens to transparency when I convert to JPEG?
JPEG has no alpha channel, so transparent areas are composited onto a white background. Convert to PNG or WebP instead if you need transparency preserved.
Which quality setting should I use?
85% is the sweet spot for JPEG and WebP — visually indistinguishable from the original for most images at a fraction of the size. Drop lower only when size is critical.
Can I convert HEIC photos here?
Use the dedicated HEIC to JPG tool — HEIC needs a special decoder that runs there. This tool handles the formats browsers decode natively: PNG, JPEG, WebP, GIF, BMP and AVIF in.