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Here is the output. ~$ convert -list format Format Module Mode Description ------------------------------------------------------------------------------- 3FR DNG r-- Hasselblad CFV/H3D39II 3G2 MPEG r-- Media Container 3GP MPEG r-- Media Container IIQ DNG r-- Phase One Raw Image Format ICB* TGA rw- Truevision Targa image AI PDF rw- Adobe Illustrator CS2 ART* ART rw- PFS: 1st Publisher Clip Art ARW DNG r-- Sony Alpha Raw Image Format AVI MPEG r-- Microsoft Audio/Visual Interleaved AVS* AVS rw+ AVS X image BGR* BGR rw+ Raw blue, green, and red samples BGRA* BGR rw+ Raw blue, green, red, and alpha samples BGRO* BGR rw+ Raw blue, green, red, and opacity samples BMP* BMP rw- Microsoft Windows bitmap image BMP2* BMP rw- Microsoft Windows bitmap image (V2) BMP3* BMP rw- Microsoft Windows bitmap image (V3) CAL* CALS rw- Continuous Acquisition and Life-cycle Support Type 1 Specified in MIL-R-28002 and MIL-PRF-28002 CALS* CALS rw- Continuous Acquisition and Life-cycle Support Type 1 Specified in MIL-R-28002 and MIL-PRF-28002 CANVAS* XC r-- Constant image uniform color CMYK* CMYK rw+ Raw cyan, magenta, yellow, and black samples CMYKA* CMYK rw+ Raw cyan, magenta, yellow, black, and alpha samples CR2 DNG r-- Canon Digital Camera Raw Image Format CRW DNG r-- Canon Digital Camera Raw Image Format CUT* CUT r-- DR Halo DCM* DCM r-- Digital Imaging and Communications in Medicine image DICOM is used by the medical community for images like X-rays. The specification, "Digital Imaging and Communications in Medicine (DICOM)", is available at http://medical.nema.org/. In particular, see part 5 which describes the image encoding (RLE, JPEG, JPEG-LS), and supplement 61 which adds JPEG-2000 encoding. DCR DNG r-- Kodak Digital Camera Raw Image File DCX* PCX rw+ ZSoft IBM PC multi-page Paintbrush DDS* DDS rw+ Microsoft DirectDraw Surface DFONT* TTF r-- Multi-face font package (Freetype 2.9.1) DJVU* DJVU r-- Deja vu See http://www.djvuzone.org/ for details about the DJVU format. The DJVU 1.2 specification is available there and at ftp://swrinde.nde.swri.edu/pub/djvu/documents/. DNG DNG r-- Digital Negative DOT DOT --- Graphviz DPX* DPX rw- SMPTE 268M-2003 (DPX 2.0) Digital Moving Picture Exchange Bitmap, Version 2.0. See SMPTE 268M-2003 specification at http://www.smtpe.org DXT1* DDS rw+ Microsoft DirectDraw Surface DXT5* DDS rw+ Microsoft DirectDraw Surface EPI PS rw- Encapsulated PostScript Interchange format EPDF PDF rw- Encapsulated Portable Document Format EPS PS rw- Encapsulated PostScript EPS2 PS2 -w- Level II Encapsulated PostScript EPS3 PS3 -w+ Level III Encapsulated PostScript EPSI PS rw- Encapsulated PostScript Interchange format EPSF PS rw- Encapsulated PostScript EPT EPT rw- Encapsulated PostScript with TIFF preview EPT2 EPT rw- Encapsulated PostScript Level II with TIFF preview EPT3 EPT rw+ Encapsulated PostScript Level III with TIFF preview ERF DNG r-- Epson Raw Format EXR EXR rw- High Dynamic-range (HDR) FILE* URL r-- Uniform Resource Locator (file://) FAX* FAX rw+ Group 3 FAX FAX machines use non-square pixels which are 1.5 times wider than they are tall but computer displays use square pixels, therefore FAX images may appear to be narrow unless they are explicitly resized using a geometry of "150x100%". FRACTAL* PLASMA r-- Plasma fractal image FTP* URL r-- Uniform Resource Locator (ftp://) G3* FAX rw- Group 3 FAX G4* FAX rw- Group 4 FAX GRAY* GRAY rw+ Raw gray samples GRAYA* GRAY rw+ Raw gray and alpha samples GV DOT --- Graphviz HALD* HALD r-- Identity Hald color lookup table image HDR* HDR rw+ Radiance RGBE image format HRZ* HRZ rw- Slow Scan TeleVision HTM* HTML -w- Hypertext Markup Language and a client-side image map HTML* HTML -w- Hypertext Markup Language and a client-side image map HTTP* URL r-- Uniform Resource Locator (http://) HTTPS* URL --- Uniform Resource Locator (https://) JNG* PNG rw- JPEG Network Graphics See http://www.libpng.org/pub/mng/ for details about the JNG format. JNX* JNX r-- Garmin tile format JPE* JPEG rw- Joint Photographic Experts Group JFIF format (libjpeg-turbo 2.0.3) JPEG* JPEG rw- Joint Photographic Experts Group JFIF format (libjpeg-turbo 2.0.3) JPG* JPEG rw- Joint Photographic Experts Group JFIF format (libjpeg-turbo 2.0.3) JPS* JPEG rw- Joint Photographic Experts Group JFIF format (libjpeg-turbo 2.0.3) JSON JSON -w+ The image format and characteristics K25 DNG r-- Kodak Digital Camera Raw Image Format KDC DNG r-- Kodak Digital Camera Raw Image Format LABEL* LABEL r-- Image label M2V MPEG rw+ MPEG Video Stream M4V MPEG rw+ Raw MPEG-4 Video MAC* MAC r-- MAC Paint MAP* MAP rw- Colormap intensities and indices MASK* MASK rw+ Image Clip Mask MAT MAT rw+ MATLAB level 5 image format MATTE* MATTE -w+ MATTE format MEF DNG r-- Mamiya Raw Image File MKV MPEG rw+ Multimedia Container MNG* PNG rw+ Multiple-image Network Graphics (libpng 1.6.37) See http://www.libpng.org/pub/mng/ for details about the MNG format. MONO* MONO rw- Raw bi-level bitmap MOV MPEG rw+ MPEG Video Stream MP4 MPEG rw+ MPEG-4 Video Stream MPC* MPC rw+ Magick Persistent Cache image format MPEG MPEG rw+ MPEG Video Stream MPG MPEG rw+ MPEG Video Stream MRW DNG r-- Sony (Minolta) Raw Image File MSL* MSL rw+ Magick Scripting Language MSVG SVG rw+ ImageMagick's own SVG internal renderer MTV* MTV rw+ MTV Raytracing image format MVG* MVG rw- Magick Vector Graphics NEF DNG r-- Nikon Digital SLR Camera Raw Image File NRW DNG r-- Nikon Digital SLR Camera Raw Image File NULL* NULL rw- Constant image of uniform color ORF DNG r-- Olympus Digital Camera Raw Image File OTB* OTB rw- On-the-air bitmap OTF* TTF r-- Open Type font (Freetype 2.9.1) PICON* XPM rw- Personal Icon PAL* UYVY rw- 16bit/pixel interleaved YUV PALM* PALM rw+ Palm pixmap PAM* PNM rw+ Common 2-dimensional bitmap format PANGO* PANGO r-- Pango Markup Language (Pangocairo 1.42.3) PATTERN* PATTERN r-- Predefined pattern PBM* PNM rw+ Portable bitmap format (black and white) PCD* PCD rw- Photo CD PCDS* PCD rw- Photo CD PCL PCL rw+ Printer Control Language PCX* PCX rw- ZSoft IBM PC Paintbrush PDB* PDB rw+ Palm Database ImageViewer Format PDF PDF rw+ Portable Document Format PDFA PDF rw+ Portable Document Archive Format PEF DNG r-- Pentax Electronic File PES* PES r-- Embrid Embroidery Format PFA* TTF r-- Postscript Type 1 font (ASCII) (Freetype 2.9.1) PFB* TTF r-- Postscript Type 1 font (binary) (Freetype 2.9.1) PFM* PFM rw+ Portable float format PGM* PNM rw+ Portable graymap format (gray scale) PGX* PGX rw- JPEG 2000 uncompressed format PJPEG* JPEG rw- Joint Photographic Experts Group JFIF format (libjpeg-turbo 2.0.3) PLASMA* PLASMA r-- Plasma fractal image PNG* PNG rw- Portable Network Graphics (libpng 1.6.37) See http://www.libpng.org/ for details about the PNG format. PNG00* PNG rw- PNG inheriting bit-depth, color-type from original if possible PNG24* PNG rw- opaque or binary transparent 24-bit RGB (zlib 1.2.11) PNG32* PNG rw- opaque or transparent 32-bit RGBA PNG48* PNG rw- opaque or binary transparent 48-bit RGB PNG64* PNG rw- opaque or transparent 64-bit RGBA PNG8* PNG rw- 8-bit indexed with optional binary transparency PNM* PNM rw+ Portable anymap PPM* PNM rw+ Portable pixmap format (color) PS PS rw+ PostScript PS2 PS2 -w+ Level II PostScript PS3 PS3 -w+ Level III PostScript PSB* PSD rw+ Adobe Large Document Format PSD* PSD rw+ Adobe Photoshop bitmap PWP* PWP r-- Seattle Film Works RAF DNG r-- Fuji CCD-RAW Graphic File RAS* SUN rw+ SUN Rasterfile RAW DNG r-- Raw RGB* RGB rw+ Raw red, green, and blue samples RGBA* RGB rw+ Raw red, green, blue, and alpha samples RGBO* RGB rw+ Raw red, green, blue, and opacity samples RGF* RGF rw- LEGO Mindstorms EV3 Robot Graphic Format (black and white) RLA* RLA r-- Alias/Wavefront image RLE* RLE r-- Utah Run length encoded image RMF DNG r-- Raw Media Format RW2 DNG r-- Panasonic Lumix Raw Image SCR* SCR r-- ZX-Spectrum SCREEN$ SCT* SCT r-- Scitex HandShake SFW* SFW r-- Seattle Film Works SHTML* HTML -w- Hypertext Markup Language and a client-side image map SPARSE-COLOR* TXT -w+ Sparse Color SR2 DNG r-- Sony Raw Format 2 SRF DNG r-- Sony Raw Format STEGANO* STEGANO r-- Steganographic image SUN* SUN rw+ SUN Rasterfile SVG SVG rw+ Scalable Vector Graphics (XML 2.9.4) SVGZ SVG rw+ Compressed Scalable Vector Graphics (XML 2.9.4) TEXT* TXT rw+ Text TGA* TGA rw- Truevision Targa image TTC* TTF r-- TrueType font collection (Freetype 2.9.1) TTF* TTF r-- TrueType font (Freetype 2.9.1) TXT* TXT rw+ Text UYVY* UYVY rw- 16bit/pixel interleaved YUV VDA* TGA rw- Truevision Targa image VST* TGA rw- Truevision Targa image WBMP* WBMP rw- Wireless Bitmap (level 0) image WEBP* WEBP rw- WebP Image Format (libwebp 0.6.1[0208]) WMF* WMF r-- Windows Meta File WMV MPEG rw+ Windows Media Video WMZ* WMF r-- Compressed Windows Meta File WPG* WPG r-- Word Perfect Graphics X* X rw+ X Image X3F DNG r-- Sigma Camera RAW Picture File XBM* XBM rw- X Windows system bitmap (black and white) XC* XC r-- Constant image uniform color XCF* XCF r-- GIMP image XPM* XPM rw- X Windows system pixmap (color) XPS XPS r-- Microsoft XML Paper Specification XWD* XWD rw- X Windows system window dump (color) YCbCr* YCbCr rw+ Raw Y, Cb, and Cr samples YCbCrA* YCbCr rw+ Raw Y, Cb, Cr, and alpha samples YUV* YUV rw- CCIR 601 4:1:1 or 4:2:2 * native blob support r read support w write support + support for multiple images