160+ free online tools.
No login. No nonsense.
Everything runs in your browser. Your data never leaves your device.
Browse by category
Text & Writing
16 tools
Count, convert, clean, compare and analyze any text — instantly in your browser.
Developer Tools
30 tools
JSON, regex, hashing, encoding, color and CSS utilities for everyday coding.
Math & Numbers
15 tools
Calculators for fractions, percentages, statistics, primes, bases and more.
Unit Converters
15 tools
Convert length, weight, temperature, time, data size and dozens of other units.
Finance & Money
19 tools
Salary, loan, mortgage, VAT, ROI and freelance rate calculators for real-life money decisions.
Date & Time
12 tools
Age, countdown, business-day, timezone and timestamp helpers for any date math.
Image & Design
11 tools
Compress, resize, convert, crop and generate images entirely in the browser.
PDF & Documents
5 tools
Extract text, count pages and create simple PDFs without uploading files.
Health & Fitness
14 tools
BMI, TDEE, hydration, sleep, fasting and training-zone calculators.
SEO & Marketing
3 tools
Meta tags, SERP previews, schema markup, UTM builders and traffic estimators.
Legal & Compliance
6 tools
Impressum, GDPR, IBAN and German law helpers for freelancers and small businesses.
Security & Privacy
3 tools
Password generation, local file hashes, URL checks and secure token generators.
Productivity
7 tools
Meeting cost calculators, focus timers, decision matrices and team pickers.
Education
2 tools
Typing tests, GPA calculators, citation generators and study flashcards.
Fun & Generators
6 tools
Random names, coin flips, dice rolls, wheel spinners and other silly utilities.
Most popular
JSON Formatter
Developer Tools
Pretty print, collapse and error-highlight JSON.
Word Counter
Text & Writing
Count words, characters, sentences, paragraphs and reading time.
Password Generator
Security & Privacy
Secure password with length, symbols, numbers and passphrase mode.
QR Code Generator
Image & Design
Generate styled QR codes for URL, WiFi, vCard or plain text.
BMI Calculator
Health & Fitness
BMI with a healthy range chart in imperial and metric.
Loan Calculator
Finance & Money
Monthly payment, total interest and amortization chart.
Color Format Converter
Developer Tools
Convert between HEX, RGB, HSL and OKLCH.
Unix Timestamp
Developer Tools
Convert between epoch and human-readable dates with timezone picker.