OnlineToolingKit.com – Free Web Tools
Convert. Generate. Check. Online tools to make your life easier!
Free, privacy-friendly web tools: converters, generators, calculators, and 50+ utilities. No signup. Use them anytime.
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Network
Images, PDF & Design
Calculators
Standard Calculator
Basic arithmetic
Geometry Calculator
Area, perimeter, volume
Timestamp
Unix ↔ date converter
Age Calculator
Birth date to exact age
Day of Week
What day was this date?
Week Number
What week number is this date?
Planet Distance
Distance between planets in km/miles/AU
Converters
Currency Converter
Convert with live exchange rates
Crypto Converter
Bitcoin, Ethereum & more to EUR/USD
Length
m, km, miles, feet, inches
Temperature
°C, °F, Kelvin
Speed
km/h, mph, m/s, knots
Volume
liters, gallons, cups, m³
Data Size
bytes, KB, MB, GB, KiB, MiB
Base64
Encode & decode Base64
URL Encode
Encode & decode URL parameters
Number Base
Decimal, binary, hex, octal
Roman Numerals
42 ↔ XLII
Text & Writing
Generators
Password Generator
Generate secure random passwords
UUID Generator
Generate UUID v4
QR Code
Generate QR codes from text or URLs
Barcode
Code 128 barcode generator
Random String
Generate random alphanumeric strings
Random Number
Random integers in a range
Random Color
Generate random HEX/RGB/HSL colors
Slug Generator
Convert text to URL-friendly slugs
Morse Code
Encode and decode Morse code
Fake Data
Generate fake names, emails, addresses
Developer
JSON Formatter
Format, validate & minify JSON
JSON Path
Query JSON with JSONPath
CSV ↔ JSON
Convert between CSV and JSON
YAML ↔ JSON
Convert between formats
CSS Formatter
Format or minify CSS
HTML Formatter
Pretty-print HTML
HTML Entities
Encode/decode HTML entities
Escape/Unescape
Escape for JSON, HTML, URL
Hash Generator
MD5, SHA-1, SHA-256 hashes
JWT Decoder
Decode JWT tokens
Regex Tester
Test regular expressions
URL Parser
Parse URL components
User Agent Parser
Parse browser/OS from UA
Cron Explainer
Explain cron expressions
Semver Compare
Compare version numbers
Unicode Lookup
Char ↔ code point