Tool Categories
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Text Tools
Word counters, case converters, text transformers and diff tools
Developer Tools
JSON, Base64, hashing, regex, code formatters and generators
Calculators
Age, BMI, loan, financial, health and everyday calculators
Converters
Unit, currency, number base, and measurement converters
Generators
QR codes, color palettes, gradients, passwords and more
Math Tools
Scientific calculators, geometry, statistics and number tools
Health & Fitness
BMR, TDEE, nutrition, fitness and wellness calculators
Finance Tools
Budgeting, savings, investments and financial planning tools
SEO Tools
Meta tags, schema markup, keyword tools and SEO checkers
Color Tools
Color pickers, converters, palettes and design tools
Security Tools
Password tools, hash checkers, and web security resources
Network Tools
IP calculators, subnet tools, HTTP references and more
Code Tools
Code converters, generators, cheatsheets and references
Data Tools
Data formatters, validators, converters and manipulation tools
CSS Tools
Flexbox, grid, animations, shadows and CSS generators
Fun & Games
Dice rollers, random generators, games and entertainment
Writing Tools
Blog titles, email subjects, templates and content tools
Most Popular
Tools used by thousands every day
Word Counter
Count words, characters, sentences, paragraphs and reading time.
Case Converter
Convert text to UPPER, lower, Title, camelCase, snake_case & more.
Markdown Preview
Write markdown and see a live rendered HTML preview side by side.
JSON Formatter
Format, validate, and minify JSON with syntax highlighting.
Base64 Encoder/Decoder
Encode or decode text and files using Base64 encoding.
Regex Tester
Test regular expressions with live match highlighting and flags.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly.
Color Converter
Convert HEX, RGB, HSL, HSV colors with live preview.
HTTP Status Codes Reference
Complete searchable reference for all HTTP status codes.
Age Calculator
Calculate exact age in years, months, days from a birthdate.
Percentage Calculator
Solve all percentage problems — of, change, error and more.
Password Generator
Generate strong secure passwords with custom criteria.
Unit Converter
Convert length, weight, temperature, volume, area and speed.
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, and contacts.
Scientific Calculator
Full scientific calculator with trigonometry, log, and more.
Mean, Median & Mode
Calculate mean, median, mode, and range for a data set.
BMR Calculator
Calculate Basal Metabolic Rate calories burned at rest.
Monthly Budget Calculator
Create a monthly budget plan and see where money goes.
Meta Tag Generator
Generate complete HTML meta tags for any web page.
Advanced Color Picker
Pick any color and instantly get all color format codes.
Password Strength Checker
Check password strength and get detailed improvement tips.
IP Address Calculator
Calculate network address, broadcast, and host ranges.
JSON to TypeScript
Convert JSON objects to TypeScript interface definitions.
JSON Tree Viewer
Visualize and explore JSON data as an interactive tree.
Flexbox Playground
Visual flexbox layout generator with live code output.
Dice Roller
Roll any dice type: d4, d6, d8, d10, d12, d20, custom.
Blog Title Generator
Generate catchy SEO-friendly blog post title ideas.
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