Streakly — Habit & Streak Tracker (Web App)

Build better habits and never break the chain. Streakly is a beautiful, offline-first habit tracker in a single file — open it in any browser and start building streaks. No accounts, no servers; all your data stays on your device. WHAT'S INSIDE: • Custom habits — name each one, pick from 64 emoji icons and 12 colors • One-tap check-ins — mark habits done daily; quantity habits (e.g. "2000ml water") get +/− counters and a progress bar • Streaks & stats — current streak, longest streak, total check-ins, and a daily completion ring • 5 consistency views — Daily, Weekly, Monthly calendar, a GitHub-style yearly heatmap, and an All-Time timeline • Backup & restore — export/import all your data as JSON anytime • 100% private & offline — stored locally in your browser; no login, no tracking • Single-file web app — pure HTML/CSS/JS, no install or dependencies Dark, modern UI with a vibrant gradient aesthetic. Works on desktop and mobile.