What is JPEG?

JPEG is a lossy raster format optimized for photographs using discrete cosine transform compression. Adjustable quality lets you balance fidelity against file size efficiently.

Related tools

Try these DevStackIO tools for JPEG:

Image CompressorCompress JPEG, PNG, and WebP images in your browser. Reduce file size without visible quality loss.Open tool →

Related terms

WebP
PNG

About this glossary

Definitions are written in plain language and sourced from MDN Web Docs, W3C specifications, and RFCs. Related tools run 100% in your browser — no data leaves your device.

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