Tutorials, deep-dives, and privacy-first thinking about developer tools.
Showing 37–48 of 105 posts
Converting JSON to CSV breaks the moment your data nests. Here is how dotted-path flattening, array handling and RFC 4180 quoting keep every value intact.
Need a 5 minute timer, a 10 minute timer or a 25 minute one? A single query parameter turns one page into every preset, bookmark and shortcut you need.
A color picker online gets you the exact HEX, RGB, HSL and OKLCH value of any pixel in seconds — no Photoshop licence, no upload, no sign-up required.
The Pomodoro Technique explained for 2026: where 25/5 came from, what break research actually shows, and how to run a drift-free timer in your browser.
How an online stopwatch with lap times works: laps vs splits, why performance.now() beats setInterval, and how accurate browser timing really is.
Your custom Tailwind color palette looks uneven because sRGB tints drift in hue and lightness. Here is how to rebuild the 50–950 ramp in OKLCH.
CSS Color Module Level 4 added oklch, oklab, lab, lch, hwb and color(). Here is what each function does, the exact value ranges, and 2026 browser support.
How CSV to JSON conversion really works in 2026 — RFC 4180 quoting rules, delimiter detection, BOM and encoding traps, and safe type inference.
Why a browser online timer drifts, how throttling in background tabs slows it down, and how to run a countdown that stays accurate to the second.
How the EyeDropper API lets a web app sample any pixel on the screen, the exact JavaScript to call it, and the fallback you still need in 2026.
Build an OKLCH color ramp where every step looks evenly spaced. A practical 2026 guide to lightness stepping, chroma tapering, and gamut safety.
A developer's guide to the WCAG contrast ratio formula, the 4.5:1 AA and 7:1 AAA thresholds, large-text exceptions, and how to check color contrast in code.