Guides
What actually happens to a file you upload, what your own device can do instead, and how to check any tool's claims for yourself.
PDF tools that don’t upload your filesPeople look for a Smallpdf or iLovePDF alternative after noticing the upload. The architectural difference, what each approach is better at, and how to test any tool yourself.pdf · 7 min readHow to merge PDF files without uploading themWhat actually happens to a document you upload to a PDF site, how browser-based merging avoids it, and how to verify any tool’s claim in thirty seconds.pdf · 8 min readWhat your photos reveal about youThe GPS coordinates, serial numbers and timestamps hidden in every photograph you take — where they come from, who can read them, and how to remove them.image · 9 min readWhy every tool gives you a different word countWord, Google Docs, Twitter and your CMS all count differently — and the rules are stranger than you would expect. What each one measures, and which number to trust.text · 8 min readWhy your 1 TB drive shows as 931 GBNobody stole your storage. Two systems of measurement share the same abbreviations, and one popular operating system labels its numbers wrong.convert · 7 min readWhy your CSV opens as gibberish in ExcelArabic turns into Ø£Øمد, every row lands in one column, and leading zeros vanish. Three separate faults with the same cause — and the one setting that fixes each.data · 9 min readHow passwords are actually crackedNot by typing guesses into a login form. What a real offline attack looks like, why length beats complexity, and why the advice you were given made things worse.security · 10 min readThe grey text problemLight grey type became the house style of the web, and it fails a measurable accessibility threshold. Where the number comes from, and the greys that actually pass.web · 8 min read