What you will find here
Each guide walks through a common problem people hit when preparing uploads, sharing documents, or choosing a format: hitting an exact KB limit, converting HEIC from an iPhone, merging PDFs without uploading them, stripping photo location metadata, or deciding whether an online converter is safe to trust with a sensitive file.
Guides link to the matching Whiztools when a private, browser-based step helps — and they also explain limits, failure modes, and when a different approach is better. If you are new to the site, read About Whiztools first, then pick a guide below. For a full catalog of interactive tools, see All Tools.
How we write these
Articles are updated when tools change. We favour clear steps, honest caveats (lossy compression, browser memory limits, soft AI images), and privacy notes that distinguish local processing from upload-based services. Corrections and topic requests are welcome via Contact.