49 free tools · no sign-up · fully private

Free online tools to simplify your work and life.

A growing collection of powerful, private utilities. No sign-up required. Everything runs in your browser.

All tools

Pick a utility and use it instantly. No accounts, no uploads.

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Developer

Format, encode, hash and inspect code

7 tools

JSON Formatter

Format, validate and minify JSON with syntax highlighting.

Open

Base64 Encoder

Encode or decode text to and from Base64.

Open

URL Encoder

Encode or decode URL-safe strings.

Open

JWT Decoder

Decode and inspect JWT tokens (header and payload).

Open

UUID Generator

Generate random v4 UUIDs, single or bulk.

Open

Hash Generator

MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.

Open

HTML Entity Encoder

Encode or decode HTML entities safely.

Open

Sitemap Validator

Validate XML sitemaps against the sitemaps.org protocol.

Open

Text

Word counts, slugs, diffs and text manipulation

4 tools

Word Counter

Count words, characters, sentences and paragraphs in real time.

Open

Character Counter

Count characters with and without spaces for any platform.

Open

Text Diff

Compare two pieces of text and highlight the differences.

Open

Slugify

Convert any text into clean URL-safe slugs.

Open

Productivity

Focus timers, stopwatches and notes

5 tools

Pomodoro Timer

Focus with 25-minute work blocks and short breaks.

Open

Stopwatch

Simple stopwatch with lap timing.

Open

Countdown Timer

Count down to any date and time with alerts.

Open

Notes Scratchpad

Quick local-only notes saved in your browser.

Open

Habit Tracker

Track daily habits with a private local-only log.

Open

Converters

Switch between units, currencies and time zones

4 tools

Unit Converter

Switch between length, weight and temperature units instantly.

Open

Temperature Converter

Celsius, Fahrenheit and Kelvin in one place.

Open

Timezone Converter

Convert any time across timezones instantly.

Open

Number Base Converter

Binary, octal, decimal and hex, all at once.

Open

Finance & Money

Loans, savings, taxes and currency tools

4 tools

Compound Interest

See how investments grow with compounded returns.

Open

Loan Calculator

Estimate monthly payments and total interest.

Open

VAT Calculator

Add or remove VAT with custom country rates.

Open

Currency Converter

Convert between major currencies, live or offline.

Open

Image

Resize, compress and convert images locally

4 tools

QR Code Generator

Turn any text or URL into a downloadable QR code image.

Open

Image Resizer

Resize images in your browser without uploading.

Open

Image Compressor

Compress JPG and PNG images client-side.

Open

Image to Base64

Convert any image to a Base64 data URI.

Open

Random

Numbers, coin flips and dice

4 tools

Random Number

Generate random numbers in any range.

Open

Coin Flip

Virtual coin flip for quick decisions.

Open

Dice Roller

Roll any number of dice with any sides.

Open

List Shuffler

Randomly shuffle any list of items.

Open

Calculators

Discounts, percentages and tips

3 tools

Discount Calculator

Work out sale prices, savings and totals across items.

Open

Percentage Calculator

Calculate percentages, increases and decreases quickly.

Open

Tip Calculator

Split bills and calculate tips fairly.

Open

Color

Pick, generate and check colors

3 tools

Color Picker

Pick colors and copy HEX, RGB or HSL.

Open

Palette Generator

Generate color palettes from a base color.

Open

Contrast Checker

WCAG AA/AAA contrast ratio for any two colors.

Open

Date & Time

Date math, time zones and scheduling

2 tools

Age Calculator

Exact age in years, months and days.

Open

Workdays Calculator

Count business days between two dates.

Open

Generators

Build config files, robots.txt and helper snippets

1 tool

Robots.txt Generator

Build a robots.txt file for your site.

Open

Health

BMI, calories and water intake

3 tools

BMI Calculator

Check your body mass index in metric or imperial units.

Open

Calorie Calculator

Estimate daily calorie needs based on activity.

Open

Water Intake

How much water you should drink each day.

Open

Security

Generate strong passwords and check strength

3 tools

Password Generator

Create strong random passwords with customisable length.

Open

Password Strength

See how strong a password is and its time-to-crack.

Open

Passphrase Generator

Generate memorable word-based passphrases.

Open

Network

Public IP and connection details

1 tool

IP Info

Look up your public IP and network details.

Open

File & Data Tools

Inspect, convert and clean files and data

Coming soon

File & Data Tools tools are coming soon. We're building this category now - check back shortly.

Fun & Games

Lighter tools for play and curiosity

Coming soon

Fun & Games tools are coming soon. We're building this category now - check back shortly.

Math & Statistics

Equations, probability and statistics helpers

Coming soon

Math & Statistics tools are coming soon. We're building this category now - check back shortly.

Science & Health

Scientific calculators and health references

Coming soon

Science & Health tools are coming soon. We're building this category now - check back shortly.

Social Media

Captions, hashtags and platform-specific helpers

Coming soon

Social Media tools are coming soon. We're building this category now - check back shortly.

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