Guides, tips and updates on the tools you use every day: page 19 of 21.
video-toolsWhy your.MOV files won't play everywhere, and how to convert QuickTime MOV to MP4 in your browser. No upload, no re-encoding surprises, no quality loss.
developer-toolsLearn what hashing actually does, how SHA-256 and MD5 differ, how checksums verify downloads, and why salting matters, with a free in-browser hash generator.
document-toolsLearn how to sign a PDF online safely, the difference between a drawn signature and a certificate-based digital signature, and how to keep the document private while you do it.
audio-toolsLossy vs lossless, plain and simple. Understand MP3, WAV, and FLAC: what each one keeps, what it throws away, and which to use for music, editing, and archiving.
qr-toolsHow to set up a restaurant menu QR code that actually works: hosting your menu, printing for tables, keeping it scannable, and avoiding the mistakes that frustrate diners.
audio-toolsWhat bitrate and sample rate actually control, why they're not the same thing, and how to pick settings that keep audio clear without bloating the file.
document-toolsPDFs carry hidden metadata, author names, software, edit history, timestamps. Learn what's in there, why it's a privacy risk, and how to view, edit, or strip it before sharing.
developer-toolsTrailing commas, single quotes, unescaped characters: the real reasons your JSON won't parse, and exactly how to find and fix each one, line by line.
seo-toolsEvery meta tag that actually matters (title, description, viewport, robots, canonical, Open Graph and more) explained with real examples and copy-paste code.
New tools and how-to articles land regularly. Follow along however you like. No inbox required.
