All Tools

Free online tools to convert, calculate, and simplify your tasks—fast, private, and works offline.

No sign-up. No ads. 100% Free. Try a tool now!

Time Tools

Online Stopwatch with Laps

A free, precise, and easy-to-use online stopwatch with lap recording, CSV export, fullscreen mode, and keyboard shortcuts. Perfect for sports, workouts, study, and more.

Time Tools

Online Countdown Timer

Free online countdown timer with customizable presets, alert sounds, fullscreen mode, and keyboard shortcuts. Ideal for work, study, cooking, and workouts.

Time Tools

Custom Countdown Timer

Design and save personalized countdown timers. Add custom titles, descriptions, themes, background images, and alert sounds. Perfect for branding, specific tasks, or fun.

Time Tools

Converters

Unit Converter

Convert between different units of measurement including length, weight, volume and more.

Converters

Finance Tools

Loan Calculator

Calculate monthly payments, amortization schedules, and total interest for any loan. Includes early payment and export features.

Finance Tools

Text Utilities

Text Manipulation Toolkit

A comprehensive suite of text utilities: case conversion, line sorting, duplicate removal, find/replace, prefix/suffix addition, character/word/line/token counter, and text comparison.

Text Utilities

Markdown Editor

Live markdown editor with preview, formatting, and export features.

Text Utilities

Design

Color Picker/Converter

Pick a color, convert between HEX, RGB, HSL, and CMYK. Generate palettes, check contrast, and copy color codes.

Design

Security

Password Generator

Generate secure, random passwords with customizable options for length and character types.

Security

Developer Tools

JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting.

Developer Tools