This site is funded entirely by ads. Accepting cookies means you'll see relevant ads instead of random ones — and helps keep all tools free. Privacy Policy

Crypto

Generator
Password Generator
Hash
MD5 Hash Converter — Free Online MD5 Calculator SHA-1 Hash Generator SHA-256 Hash Generator SHA-512 Hash Generator SHA-3 Hash Generator Argon2 Hash Calculator | Argon2id, Argon2i & Argon2d Argon2 Hash Verification | Compare a Password Against an Encoded Hash Compute All Hashes at Once — MD5, SHA-1, SHA-256, SHA-512, SHA-3, BCrypt, Argon2id File Hash Calculator — Verify Downloads with MD5, SHA-1, SHA-256, SHA-512
Bcrypt Verification
BCrypt Calculation BCrypt Hash Checker | Verify Password Matches Hash Instantly
Classical Ciphers
Caesar Cipher & ROT13 Generator
Developer Tools

Generator
UUID Generator Nano ID Generator
Formatter
JSON Formatter SQL Formatter URL Parser
CSV
CSV Viewer Convert JSON to CSV CSV to JSON Converter CSV to SQL Converter (INSERT Statement Generator) CSV to Markdown Table Converter Markdown Table to CSV Converter CSV to HTML Table Converter HTML Table to CSV Converter CSV / Excel Converter
Encoding
Base64 Encode / Decode ASCII Code Table Line break at a specified length JWT Decoder HTML Escape / Unescape Character Encoding Converter & Mojibake Fixer Data Size Converter (Bytes, KB, MB, GB, TB)
Server Config
robots.txt Validator .htpasswd File Generator
Testing & Demo
Test Credit Card Numbers Credit Card Number Validator | Luhn Algorithm & Brand Detection Dummy File Generator
Text

Text Analysis
Counter Japanese Word Count (Morphological Analysis) Naming Convention Converter (camelCase, snake_case, kebab-case, etc.)
Fun
Emoji List — Copy & Paste into Any Text "Ojisan" Text Style Generator (Japanese "Uncle-Speak")
Math

Basic Calculations
Free Online Calculator — Type Full Formulas with Parentheses Consumption Tax Calculator Discount Calculator — % Off, Markdown & Half-Price in One Click BMI Calculator Compound Interest Calculator Large Number Converter — Japanese ⇄ English Units (万/億/兆 to Million/Billion/Trillion) Unit Converter (Length, Weight, Temperature) Shoe Size Converter (Japan, US, UK, EU)
Function Graphs
Linear Function Graph (y = ax + b) Quadratic Function Graph (y = ax² + bx + c) Cubic Function Graph (y = ax³ + bx² + cx + d) Exponential Function Graph (y = a·bˣ + c) Logarithm Graph (y = a·log_b(x) + c) Ellipse Graph (x²/a² + y²/b² = 1) Hyperbola Graph (x²/a² − y²/b² = 1)
Chart Maker
Pie Chart Maker
Sequences
Arithmetic Sequence Calculator (aₙ = a₁ + (n−1)d) Geometric Sequence Calculator (aₙ = a₁·rⁿ⁻¹) Fibonacci Sequence Calculator (F(n) = F(n-1) + F(n-2))
Number Theory
Prime Number Checker (up to 10,000,000) Prime Factorization Calculator (up to 1,000,000) GCD & LCM Calculator
Geometry
Triangle Calculator (Sides, Angles, Area) Area Calculator Bearing & Distance Calculator (Latitude/Longitude)
Date/Time

Clocks & Timers
Clock Stopwatch Timer Timezone Converter | Instantly Calculate the Time Difference World Clock — Live Time in Cities Worldwide, See Time Differences Instantly
Calendar
Japan Holiday Calendar — Instantly Check Any Date, Plus Streak Ranking Holiday Checker (Is This Day a Holiday?) Rokuyou Calendar CE / Japanese Era Quick-Reference Chart — With Age by Birth Year Japanese Era Names (Gengō) Japanese Era & Zodiac Lookup
Age & Life
Age Calculator Yakudoshi & Happosagari Checker Life Stage Table (Japan)
Design

Color
RGB to Hex Color Converter — Instant Decimal ⇄ Hex Conversion
Icon
Favicon Generator
Network

URL & API
URL Encoder/Decoder REST API Tester HTTP Status Code List curl Exit Code Reference curl Command Generator
IP & Subnet
Subnet Calculator — Free, with /1–/32 CIDR Quick-Reference CIDR / Subnet Mask Reference Table IP Address Lookup IP WHOIS Lookup
Domain
Domain WHOIS Lookup
Money

Salary & Tax
Japan Net Salary Calculator (Estimate) Freelancer & Sole Proprietor Take-Home Pay Calculator (Japan) Gross-Up Calculator — Reverse-Calculate Salary from Take-Home Pay Bonus Take-Home Pay Calculator | Social Insurance & Withholding Tax Furusato Nozei Limit Calculator Salary Converter: Annual / Monthly / Daily / Hourly Japan Income Percentile & Deviation Score Calculator Japan Childcare Leave Benefit Calculator
Wealth Building & Investing
Home Loan Calculator Auto Loan Calculator Car Lease Payment Calculator Auto Loan vs Lease Comparison Savings & Investment Calculator New NISA Simulator (Tsumitate & Growth Investment Quotas) Investment Return Calculator Learn Technical Indicators (MACD, RSI, Bollinger Bands) Inflation Calculator Retirement Savings Calculator Real Estate Investment Calculator
Living Costs
Electricity Cost Calculator | Estimate Monthly Bill by Appliance Car Maintenance Cost Calculator | Monthly & Annual Running Costs
Everyday Calculators
Percentage Calculator Bill Split Calculation
Business Metrics
Marketing Metrics Calculator — CTR, CPC, ROAS & LTV Progress Rate Calculator | Weighted Average of Multiple Tasks Ad Revenue & YouTube Earnings Calculator Affiliate Revenue Calculator
File Operations

Compress
ZIP Creator TAR.GZ Creator
Decompress
ZIP Extractor GZ/TAR.GZ Extractor
Chemistry

Basics
Molar Mass Calculator Ideal Gas Law Calculator (PV=nRT) pH Calculator (Acid/Base Test) Molarity & Dilution Calculator (C1V1=C2V2)
Physics

Mechanics
Projectile Motion Simulator Uniform Acceleration Calculator (Velocity & Displacement)
Electricity
Ohm's Law Calculator (Voltage, Current, Resistance)
Data

Data Lookup
Japan Postal Code Search Bank Code & Branch Code Lookup
Music

Practice
Metronome (Online, Free)

Home
Music

Music

The Music category collects tools you can use for instrument practice and studying music theory.

Practice

Metronome (Online, Free)

A free online metronome for instrument practice that clicks...

The calculation results and information on this site are provided for reference purposes only. We make no guarantee of accuracy or completeness, and accept no liability for any loss arising from their use.

About Toolbase Feedback Terms of Service Privacy Policy Cookie Settings

日本語 | English | 中文 | Español | Português | Deutsch | Français | 한국어

No matching tools found