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JPEG File Format

JPEG Image category

JPEG is the proper full name of the format most people call JPG — the Joint Photographic Experts Group standard. Files ending in .jpeg are identical to .jpg files in every way.

Typical use: Convert to or from JPEG when a tool or form specifically asks for the .jpeg extension — the pixels and compression behave exactly like JPG.

About the JPEG format

JPG (short for JPEG, the Joint Photographic Experts Group committee that standardized it in 1992) has been the default photo format for over three decades. It compresses photographs using the discrete cosine transform: the image is split into 8×8 blocks, and details the human eye is bad at noticing are discarded. The result is files many times smaller than uncompressed data, at a quality level you control when saving.

In practice JPG is unbeatable for photographs and smooth gradients — camera memory cards, messaging apps and the web all assume it. It is a poor fit for screenshots, logos or anything with sharp edges and flat color, where compression leaves visible ringing around text. There is no transparency support, color depth is capped at 8 bits per channel, and every re-save with compression compounds tiny generational losses.

Strengths

  • ✓ Opens on literally every device, app and browser made in the last 30 years
  • ✓ Compresses photos dramatically — typically 10:1 or better with little visible loss
  • ✓ Quality level is adjustable, so you can trade fidelity for file size
  • ✓ Mature ecosystem: EXIF metadata, ICC profiles and progressive loading all supported

Limitations

  • ✗ Lossy — artifacts appear on text, sharp edges and flat areas
  • ✗ No transparency, so overlays and logos need PNG or WebP instead
  • ✗ Repeated re-saving at low quality permanently degrades the image
Compression
Lossy (DCT, adjustable quality)
Transparency
Not supported
Animation
Not supported
Metadata
EXIF, ICC profile
Best for
Photos and continuous-tone images

Convert JPEG to…

39 direct directions plus 9 workflows, sorted A–Z; 🔥 marks popular targets.

JPEG to AVIF Hot JPEG to BMP Hot JPEG to CIN JPEG to CUR JPEG to DCX JPEG to DDS JPEG to FARBFELD JPEG to FITS JPEG to GIF Hot JPEG to GRAYA JPEG to HDR JPEG to ICO Hot JPEG to JP2 JPEG to JXL JPEG to OTB JPEG to PALM JPEG to PBM JPEG to PCL JPEG to PCX JPEG to PDF Hot JPEG to PFM JPEG to PGM JPEG to PNG Hot JPEG to PNM JPEG to PPM JPEG to PSD Hot JPEG to QOI JPEG to RAS JPEG to SIXEL JPEG to SVG Hot JPEG to SVGZ JPEG to TGA JPEG to TIFF Hot JPEG to UYVY JPEG to VICAR JPEG to WebP Hot JPEG to XBM JPEG to XPM JPEG to XV

Cross-engine workflows

JPEG to 7Z JPEG to APK JPEG to JAR JPEG to TAR JPEG to TAR.BZ2 JPEG to TAR.GZ JPEG to TAR.XZ JPEG to WIM JPEG to ZIP

Convert other files to JPEG…

AI to JPEG AVIF to JPEG Hot BMP to JPEG Hot CIN to JPEG CUR to JPEG DCX to JPEG DDS to JPEG DICOM to JPEG EPS to JPEG FARBFELD to JPEG FITS to JPEG GeoTIFF to JPEG GIF to JPEG Hot GRAYA to JPEG HDR to JPEG HEIC to JPEG Hot ICO to JPEG Hot JP2 to JPEG JXL to JPEG OTB to JPEG PALM to JPEG PBM to JPEG PCL to JPEG PCX to JPEG PDF to JPEG Hot PFM to JPEG PGM to JPEG PNG to JPEG Hot PNM to JPEG PPM to JPEG PS to JPEG PSD to JPEG Hot QOI to JPEG RAS to JPEG RAW to JPEG Hot SIXEL to JPEG SVG to JPEG Hot SVGZ to JPEG TGA to JPEG TIFF to JPEG Hot UYVY to JPEG VICAR to JPEG WebP to JPEG Hot XBM to JPEG XPM to JPEG XV to JPEG

Cross-engine workflows

3DS to JPEG 3G2 to JPEG 3GP to JPEG 3MF to JPEG ASF to JPEG AVI to JPEG BVH to JPEG DAE to JPEG DivX to JPEG DV to JPEG F4V to JPEG FBX to JPEG FLV to JPEG GLB to JPEG glTF to JPEG H.264 to JPEG LWO to JPEG M1V to JPEG M2TS to JPEG M2V to JPEG M4V to JPEG MD2 to JPEG MJPEG to JPEG MKV to JPEG MOV to JPEG MP4 to JPEG MPG to JPEG MTS to JPEG MXF to JPEG OBJ to JPEG OGV to JPEG PLY to JPEG RM to JPEG RMVB to JPEG STL to JPEG TS to JPEG VOB to JPEG VRML to JPEG WEBM to JPEG WMV to JPEG WTV to JPEG Xvid to JPEG Y4M to JPEG

Frequently asked questions

What is a JPEG file?

JPEG is the proper full name of the format most people call JPG — the Joint Photographic Experts Group standard. Files ending in .jpeg are identical to .jpg files in every way.

How do I convert JPEG files online?

Pick a target format from the "Convert JPEG to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.

Is it safe to convert JPEG files here?

Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.

Which formats can JPEG convert to?

This page lists all 48 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.