Practical guides for common file conversion and document tasks — the how and why behind working with files privately, in your browser.
August 3, 2026
Base64 lets you paste an entire image into HTML, CSS or JSON as plain text. Here's how the encoding works, the 33% size cost, and when embedding is the right call.
Read more →July 30, 2026
Every messy list — emails, keywords, URLs, log lines — needs the same three cleanups: dedupe, sort, and trim. Here's how to do all three in seconds without a spreadsheet.
Read more →July 26, 2026
QR codes look like random noise but follow a precise, clever design. Here's how they encode data, why some fail to scan, and how to make your own that works forever.
Read more →July 22, 2026
Blurry, stretched or pixelated images after resizing are almost always caused by three avoidable mistakes. Here's what they are and how to resize photos that stay sharp.
Read more →July 18, 2026
You AirDrop or copy photos off an iPhone, and suddenly Windows can't open them. Here's what HEIC actually is, why Apple switched to it, and the fastest private way to get JPGs.
Read more →July 11, 2026
Presenting a PDF by scrolling through a viewer looks improvised and breaks the flow of a meeting. Converting it to PowerPoint slides fixes that in one step — here's how.
Read more →July 11, 2026
Sometimes a PDF is the wrong container — you need the page as a plain image you can post, message, or embed. Here's when PDF-to-JPG is the right call and how to pick settings.
Read more →July 11, 2026
Converting a PDF to Word looks like it should be a one-click job — and for text documents it is. Here's what actually happens during conversion, and how to get the cleanest result.
Read more →July 8, 2026
Three image formats, three different jobs. Here's a straightforward guide to picking the right one instead of defaulting to whatever your camera or screenshot tool saved.
Read more →July 8, 2026
Got a PDF that's bouncing back from your email provider's size limit? Here's what actually makes a PDF large, and the fastest ways to shrink it.
Read more →July 8, 2026
If you've been handed a spreadsheet and asked to turn it into JSON (or the reverse), here's what's actually happening and how to do it without corrupting your data.
Read more →July 7, 2026
Password strength isn't about clever substitutions like "P@ssw0rd". Here's what actually makes a password hard to crack, and how to generate one properly.
Read more →July 7, 2026
PNG screenshots and graphics are often much larger than they need to be. Here's how to shrink them without the blurry, blocky look of over-compressed images.
Read more →July 7, 2026
Most free PDF mergers upload your files to a server first. Here's how to combine PDFs entirely in your browser instead, with nothing ever leaving your device.
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