Tutorials, deep-dives, and privacy-first thinking about developer tools.
Showing 1–12 of 19 posts
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.
Generate every Android mipmap density (mdpi to xxxhdpi) from one source PNG — no Android Studio, no upload, ready as a drop-in res/ folder in seconds.
Trim white margins from any PDF in your browser — no upload, no watermark, no sign-up. Here is exactly how PDF cropping works in 2026.
How to merge PDF files for free without uploads, watermarks, or sign-ups — and what's actually happening under the hood when iKit does it in 2026.
How iKit ships 14 independent tools as 14 separate Laravel apps with shared conventions, 25-language i18n, and zero file uploads — the operational handbook for a browser-first toolkit.
Compare the best free online Markdown editors of 2026 — covering live preview, GitHub Flavored Markdown, syntax highlighting, and zero sign-up.
A technical look at how every iKit tool processes your files locally — WebAssembly, OffscreenCanvas, Web Crypto, and the patterns that replace server round-trips.
iKit is 14 free online tools — none of them upload your files. Here's the story of why I built it that way, and what it means in practice for the people using it.
Generate QR codes for Wi-Fi networks, contact vCards, and URLs in seconds — covering payload formats, error correction, and design rules for reliable scans.
Three ways to format ugly JSON — IDE plugins, CLI tools like jq, and privacy-first browser formatters — compared on speed, privacy, and ergonomics.
Verify any download with MD5 or SHA-256 in your terminal, on Windows, or fully in your browser — and learn when MD5 is dangerously weak.
Generate a UUID v4 in one line across browser, Node, Python, and CLI — and learn the three cases where UUID v4 is the wrong identifier to reach for.