Question 1

What image formats can I convert between?

Accepted Answer

You can convert between JPG, PNG, and WebP in any direction. For example, upload a PNG and convert it to WebP for smaller file sizes, or convert a WebP to PNG for compatibility with older software.

Question 2

Will transparency be preserved?

Accepted Answer

Transparency is preserved when converting to PNG or WebP. If you convert to JPEG, transparent areas will be filled with white because JPEG does not support transparency.

Question 3

Which format should I use?

Accepted Answer

Use WebP for the best compression with good quality. Use PNG for graphics with transparency or when lossless quality is required. Use JPEG for photographs where some quality loss is acceptable for smaller files.

Question 4

Is my image uploaded to a server?

Accepted Answer

No. All conversion happens locally in your browser using HTML5 Canvas. Your images are never sent to any server.

Format	Best For	Transparency	Compression
JPEG	Photographs	No	Lossy
PNG	Graphics, screenshots	Yes	Lossless
WebP	All modern use cases	Yes	Lossy + Lossless

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