Cool PSD Viewer - PSD Converter is definitely not only a psd viewer, but also a product that integrates video playback, image viewing, image conversion and pdf editing. It supports over 300 formats of image and video.

Support formats:
PDF;heic; svg; svgz; ttf; tiff; tif; tga; svgz; bmp; jpg; jpeg; png; gif;jp2;ppm;nef;svg;arw;crw;bmp2;threefr; threeg2;threegp; a;arw;avs; b; bgr; bgra; bgro; bmp; bmp2; bmp3; c; cal;cals;canvas;caption;cin;clip;cmyk;cmyka;cr2; crw; cur; cut; dcm; dcr; dcx; dds; dfont; dib; dng; dpx; dxt1; dxt5; epdf; epi; eps; epsf; epsi; ept; ept2; ept3; erf; fax;file; fits; fractal; ftp; fts; g; g3; g4; gif; gif87; gradient; gray; graya; group4; hald; hdr; heic; hrz; http; https; icb;ico; icon; iiq; inline; ipl; j2c; j2k; jng; jnx; jp2; jpc; jpe; jpeg; jpg; jpm; jps; jpt; k; k25; kdc; label; m; m2v; mac; map; mask; mat; mef; miff;mng; mono; mpc;mrw; msl; msvg; mtv; mvg; nef; nrw; null; o; orf; otb; otf; pal; palm; pam; pango;pattern; pbm; pcd; pcds; pcl; pct; pcx;pdfa; pef; pes; pfa; pfb; pfm; pgm; pgx; picon; pict; pix; pjpeg; plasma;png; png00; png24; png32; png48; png64; png8; pnm; ppm;ptif; pwp; r; radialgradient; raf; ras; raw; rgb;rgba; rgbo; rgf; rla; rle; rmf; rw2; scr; screenshot; sct; sfw; sgi; six; sixel; sr2;stegano; sun; text; tga; tif; tiff; tiff64;tile; tim; ttc; ttf; txt; uyvy; vda; vicar; vid; viff; vips; vst; wbmp; wpg; x3f; xbm; xc; xcf; xpm; xv; y; ycbcr; ycbcra; yuv;emf; exr; flif; wmf; webp
.3g2 .3ga .3gp .3gp2 .3gpp .669 .a52 .aac .ac3 .adt .adts .aif .aifc .aiff .amb .amr .amv .aob .ape .aqt .asf .ass .asx .au .avi .awb .b4s .bik .bin .caf .cdg .cue .dfxp .divx .dks .drc .dts .dv .dvr-ms .evo .f4v .flac .flv .gvi .gxf .idx .ifo .iso .it .jss .kar .m1v .m2t .m2ts .m2v .m3u .m3u8 .m4a .m4b .m4p .m4v .m5p .mid .mka .mks .mkv .mlp .mod .mov .mp1 .mp2 .mp2v .mp3 .mp4 .mp4v .mpa .mpc .mpe .mpeg .mpeg1 .mpeg2 .mpeg4 .mpg .mpga .mpl2 .mpv2 .mts .mtv .mus .mxf .mxg .nsv .nuv .oga .ogg .ogm .ogv .ogx .oma .opus .pjs .pls .ps .qcp .ra .ram .rec .rm .rmi .rmvb .rpl .rt .s3m .sami .scc .sdp .sid .smi .smil .spx .srt .ssa .stl .sub .tak .thd .thp .tod .tp .ts .tt .tta .ttml .tts .txd .usf .utf .vlc .vob .voc .vqf .vro .vtt .w64 .wav .wax .webm .wm .wma .wmv .wtv .wv .wvx .xa .xesc .xm .xspf