Pomodoro Timer
Stay focused with customizable work and break intervals. Circular progress ring, tab countdown, and voice alerts when sessions end.
→ 🎲Dice Roller
Roll D4, D6, D8, D10, D12, D20, or D100. Roll up to 20 dice at once with animated results and automatic totals.
→ 🪙Coin Flip
Flip a coin with a realistic 3D animation. Voice announces heads or tails. Tracks your flip statistics over time.
→ 🔐Password Generator
Generate cryptographically secure passwords instantly. Customize length, character types, and see real-time strength ratings.
→ ⏱️Stopwatch
Precision stopwatch with centisecond accuracy and lap tracking. Keyboard shortcuts for start, stop, lap, and reset.
→ ⏳Countdown Timer
Set any duration with quick presets. Visual progress bar, pulsing 10-second warning, and voice plus browser notification on completion.
→ 🎰Random Name Picker
Paste a list of names and randomly pick a winner with a slot-machine animation. Option to remove picked names and announce results aloud.
→ 🫁Breathing Exercise
Guided breathing with four patterns: box breathing, 4-7-8 relaxation, deep breathing, and energize mode. Animated visual guide with voice cues.
→ 🎨Color Palette Generator
Generate beautiful 5-color palettes with 8 harmony modes. Click any color to copy its hex. Export as CSS variables or JSON.
→ 🎯Decision Wheel
Add your own choices and spin the wheel to decide. Animated wheel with smooth deceleration and voice announcement of the result.
→ 📄LaTeX to PDF
Write or paste LaTeX code, see a live preview with math rendering, and download as PDF. No installation needed.
→ 🎡Twister Spinner
Digital spinner for the Twister board game. Announces body part and color combinations aloud. Spin with spacebar or click.
→ 📝Markdown Editor
Write markdown with live preview. Export to HTML or download your document. Includes syntax highlighting and formatting support.
→ 🔢Token Counter
Count tokens for GPT-4o, Claude, Llama, and Gemini. Exact BPE counts for OpenAI models, calibrated estimates for the rest. 100% in-browser.
→ 💸LLM Cost Calculator
Compare per-call API cost across every major model. Enter input and output tokens once, see GPT, Claude, Gemini, and Llama side by side.
→ ✈️Trip Packet
Beautiful one-page trip logistics packet with day-by-day itinerary, QR codes, road trip route, budget tracker, and packing list. Your digital trip binder.
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