Simple tools that solve one problem well.
Convert times across timezones.
Track what you need to buy.
Format and validate JSON.
Generate QR codes instantly.
Split bills by who ordered what.
Roll D&D dice with history.
Simple timer that counts up.
Count down to zero.
25 min work + 5 min break.
See time across timezones.
Convert units instantly.
Generate random colors.
Generate unique IDs.
Decode resistor color bands.
AES encryption with password.
Stateless password generation.
Calculate loan payments.
Project investment growth.
Browser speaks your text.
Browser transcribes your voice.
Web Audio rhythm keeper.
White, brown, pink noise.
Browser announces time.
Device magnetometer.
Check if surface is level.
Measure angles & tilt.
Step counter.
Bright screen light.
Detect device shakes.
Battery, network, hardware.
Ambient light sensor.
Element lookup & info.
NATO phonetic codes.
Character codes.
Solar system reference.
Key physics values.
Units & prefixes.
WebRTC file sharing.
Timestamp ↔️ date converter.
Decode JWT tokens.
Calculate parking costs.
Encode & decode base64.
Decode cron expressions.
Measure password strength.
Decode capacitor color bands.
Calculate LED resistor value.
Calculate output voltage.
Encode/decode morse.
Essential knot reference.
Safe forage reference.
Emergency procedures.
Emergency signaling.
Mindfulness timer.
Scale ingredients by servings.
Test regex patterns live.
Binary, hex, octal, decimal.
Markdown with live preview.
P2P real-time text sharing.