Website: https://www.pcwinsoft.com/image-to-pdf.asp
Download: Powerimageconverter-2.8.8.60-gotd.zip
Power Image Converter is a image file converter, a batch photo resizer, a photo to pdf converter, and much more with plenty of batch operations to rank this tool up high in the photo converter software free market.
Supported formats are: JPG, PNG, GIF, BMP, TIF, TIFF, ICO, PDF, DPX, J2C, J2K, JP2, PAM, PBM, PCX, PGM, PPM, RGB, SGI, TGA, WEBP, XBM, YUV, VIFF, WBMP, WMF, WPG, XCF, XPM, AAI, ART, ARW, AVS, BPG, BRF, CALS, CGM, CIN, CMYK, CMYKA, CR2, CRW, CUT, DCM, DCR, DCX, DDS, DJVU, DNG, EMF, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EXR, FAX, FIG, FITS, FPX, GPLT, GRAY, HDR, HPGL, HRZ, JBIG, JNG, JPEG, MAN, MAT, MIFF, MNG, MRW, MTV, MVG, NEF, ORF, OTB, P7, PALM, PICT, PIX, PNM, PSD, PTIF, PWP, RAD, RAF, RGBA, RFG, RLA, RLE, SCT, SFW, SUN, SVG, TIM, UYVY, VICAR