Knowledge & Walkthroughs

Photo & Image Guides

Clear, step-by-step walkthroughs to help you crop portraits, clean signatures, convert file formats, and assemble PDFs with complete device privacy.

How to Resize a Photo to 20KB or 50KB for Online Forms

A practical guide on balancing resolution, crop ratios, and compression quality to reach compact 20KB or 50KB targets.

A simple walkthrough on whitening paper backgrounds, darkening ink, and cropping signatures without needing a flatbed scanner.

A straightforward comparison of image formats to help you pick the best file type for photos, forms, and web performance.

A complete guide to sequencing, rotating, and compiling multiple JPG and PNG pictures into an organized, single PDF file.

A practical explanation of lossy versus lossless compression and how to shrink picture file sizes by up to 90% without visible blurriness.

Learn what file size means, why smartphone photos are large, and how to quickly scale a portrait to 20KB on your phone using browser tools.

A complete walkthrough for signing on blank white paper, taking a well-lit photo, cropping closely, and enhancing ink clarity in your browser.

This guide section is for general information. Rules on forms and portals change, so please check the instructions on the form you are filling.