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SSC CHSL, SSC MTS, CGL, GD, and similar exam portals reject applications when the photo or signature is even a few kilobytes over the limit, or when the width and height do not match the notice. Candidates often shoot a phone picture that is 2 MB or more, then spend the last evening of registration hunting for software that can squeeze it to 20 KB, 30 KB, 40 KB, or 50 KB without turning the face into a blur. The same rush happens with signatures: many boards ask for a scan around 6 cm by 2 cm and a tiny file size. Railway NTPC, IBPS, UPSC, and state commissions use the same pattern. If the JPEG is too heavy, the form stops. If it is too light, the printout looks washed out at the exam centre. ePDFConverter is built for that exact job. Resize the photograph in centimetres, millimetres, or pixels, set a target size in KB with the image compressor, and use the signature resizer until the portal accepts it. Crop a signature, match the printed box, and keep the file on your own device so marksheets and ID scans never leave the browser. Convert scans with JPG to PDF or extract pages with PDF to JPG, then merge PDF, compress PDF, edit PDF, organise pages, sign PDF, or unlock and protect PDF as needed. The steps stay the same whether you are filling CHSL, MTS, or another government form: pick the image, set the size the notification lists, download, and upload. When you need the full walkthrough, the guides below stay on this site and walk through photo size, signature size, and related PDF tasks without sending you to a third-party blog.