Overview
JPG (often written JPEG) is a lossy raster format built for photographs and complex continuous-tone images.
Features
- Widespread camera and web support
- Smaller files than uncompressed bitmaps
- Adjustable quality vs size
Advantages
- Excellent for photos
- Tiny downloads relative to BMP/TIFF
- Supported almost everywhere
Disadvantages
- Lossy—repeated saves reduce quality
- No alpha transparency
- Not ideal for sharp text or flat UI graphics
Format details
- Typical file size
- Hundreds of KB to a few MB for common photos, depending on resolution and quality.
- Transparency support
- No — JPG cannot store transparency. Transparent pixels are flattened when converting to JPG.
- Animation support
- No — Single-frame only. Use GIF, APNG, or animated WEBP/AVIF for motion.
- Compression type
- Lossy (DCT-based)
- Browser support
- Universal in modern and legacy browsers.
Common uses
- Camera photos
- Social uploads
- Hero photography on websites
Related formats
Related conversion tools
- AVIF to JPG — Convert AVIF images to JPG quickly in your browser.
- BMP to JPG — Convert BMP images to JPG quickly in your browser.
- GIF to JPG — Convert GIF images to JPG quickly in your browser.
- JPEG to PNG — Convert JPEG images to PNG quickly in your browser.
- JPG to PDF — Wrap a JPG photo into a single-page PDF without uploading.
- JPG to PNG — Convert JPG or JPEG photos to PNG in your browser—private, fast, and free.
- JPG to WEBP — Convert JPG images to WEBP quickly in your browser.
- PDF to JPG — Turn PDF pages into JPG images without uploading.
- PNG to JPEG — Convert PNG images to JPEG quickly in your browser.
- PNG to JPG — Convert PNG images to JPG quickly in your browser.
- WEBP to JPG — Convert WEBP images to JPG quickly in your browser.
Related compression tools
Related editing tools
Image editing tools will appear here when published.
Related guides
Related knowledge
FAQs
Yes. JPG and JPEG refer to the same image format; the extension differs by convention.
No. Convert to PNG or WEBP when you need an alpha channel.