Tutorials, deep-dives, and privacy-first thinking about developer tools.
Showing 85–96 of 105 posts
Why URLs use + for spaces, when to use %20 instead, and how to encode a literal + as %2B. Covers the 30-year-old form-encoding quirk that still breaks emails with `+` in 2026.
URL encoding looks simple until your API drops a plus sign. Here's the real difference between component, URI, and form encoding — with code, fixes, and 2026 rules.
Looking for an Appicon.co alternative? iKit's browser-only app icon generator outputs the same iOS, Android adaptive, and PWA icons — without uploading your source PNG to any server.
A side-by-side test of five free online Markdown editors — privacy, GFM support, live preview, and load speed compared so you can pick one in 2026.
The exact image dimensions for every Instagram, X, and LinkedIn placement in 2026 — feed, story, header, banner, profile — plus a one-click resize workflow.
Decode Base64 strings into a real downloadable file — PDF, image, ZIP, audio — directly in your browser. No upload, no server, no plaintext leaks.
Generate the 1024×1024 App Store icon plus every iPhone, iPad, Spotlight, and Settings size from one PNG. Free, no upload, transparency stripped — ready for App Store Connect in 30 seconds.
An online Markdown viewer that renders MD to HTML in real time — paste, see the formatted preview, copy the HTML or the rendered text. 100% in your browser.
A text-to-QR generator handles more than URLs: encode Wi-Fi, vCard, SMS, mailto, calendar, geo, and payment payloads with proper escaping for 2026.
Apple touch icon generator that builds every iOS, iPadOS, and Safari pinned-tab size from one source — no upload, no sign-up, on-brand in 30 seconds.
Free online mipmap generator — turn one source PNG into every Android density (mdpi → xxxhdpi) plus adaptive icons, ready as a drop-in res/ folder. No Android Studio, no upload.
Compare the best free online Markdown editors of 2026 — covering live preview, GitHub Flavored Markdown, syntax highlighting, and zero sign-up.