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Large image files slow down websites, eat storage, and make sharing painful. But reducing file size usually means sacrificing quality — pixelated photos, blurry text, washed-out colors. Not…
Write and preview Markdown in real time. Free online Markdown editor with live rendering, copy HTML output, and GitHub Flavored Markdown support. No signup.
Convert Unix timestamps to human-readable dates and vice versa. Free online epoch converter with millisecond support. No signup, runs in browser.
Build and validate cron expressions with a visual editor. See next 5 run times instantly. Supports standard 5-field cron syntax. Free, no signup, runs in browser.
Build a real-time stock price alert system using Finnhub free WebSocket API and Node.js. No paid data feeds needed.
Looking for a TinyPNG alternative that's free, private, and doesn't require uploads? Here are the best options in 2026 — including one that compresses images entirely in your…
