Free online tools

Tools for everyday use

Free online tools for encoding, conversion, generation and calculations

Development

21 tools

JSON
Format & validate
Base64
Encode & decode
Hash
SHA-1, SHA-256, SHA-512
UUID
Generate identifiers
UUID v7 / ULID
Time-ordered IDs
URL
Encode & decode
Diff
Compare texts
JWT
Decode JWT tokens
Regex
Test regular expressions
View all 21 tools

Text

11 tools

Counter
Characters, words, sentences
Case
Transform text case
Lorem Ipsum
Generate placeholder text
Emoji
Emoji picker
Text ↔ Binary
Convert text to binary
Morse Code
Text to Morse code
Roman Numerals
Convert Roman numerals
Password Strength
Check password security
Find & Replace
Search and replace text
View all 11 tools

Generators

13 tools

Password
Secure passwords
QR Code
Create QR codes
Random
Random numbers
Gradient
CSS gradients
Box Shadow
CSS shadows
Fake Data
Generate test data
Username
Generate usernames
Placeholder
Placeholder images
Image Base64
Image to Base64
View all 13 tools

Converters

16 tools

Units
Length, weight, volume
Currency
Exchange rates
Color
HEX, RGB, HSL
Color Contrast
Check WCAG contrast
Number Base
Binary, hex, decimal
Temperature
Celsius, Fahrenheit, Kelvin
Data Size
Bytes, KB, MB, GB converter
Speed Converter
Convert between speed units
Pressure Converter
Convert pressure units
View all 16 tools

Time

9 tools

Timer
Stopwatch & countdown
Date
Date calculator
Age
Calculate age
Time Zones
World clock
Timestamp
Unix timestamp converter
Pomodoro
Focus timer
Date Difference
Calculate date difference
Work Hours Calculator
Track work hours and calculate pay
Sleep Calculator
Calculate optimal sleep and wake times

SEO

15 tools

Meta Tags
Generate meta tags
robots.txt
Generate robots file
Sitemap
XML sitemap
WHOIS
Domain & IP lookup
DNS Lookup
Query DNS records
IP Location
IP geolocation lookup
Slug
URL-friendly strings
UTM Builder
Build and parse UTM
Open Graph
Preview OG cards
View all 15 tools

Calculators

17 tools

Loan
Calculate payments
Mortgage
Mortgage calculator
Savings
Interest calculator
Salary
Net salary calculator
Calories
Daily calorie needs
BMI
Body mass index
Aspect Ratio
Calculate ratios
Tip
Tip calculator
Discount
Discount calculator
View all 17 tools

Tests

7 tools

Typing Speed Test
Test your typing speed
Reaction Time Test
Test your reaction speed
CPS Test
Clicks per second test
Color Blind Test
Ishihara color vision test
Memory Game
Test your memory
Screen Info
Display and device information
Keyboard Tester
Test keyboard keys

Image Converters

19 tools

PNG → JPG
Convert PNG to JPG
PNG → WebP
Convert PNG to WebP
JPG → PNG
Convert JPG to PNG
JPG → WebP
Convert JPG to WebP
WebP → PNG
Convert WebP to PNG
WebP → JPG
Convert WebP to JPG
BMP → PNG
Convert BMP to PNG
BMP → JPG
Convert BMP to JPG
BMP → WebP
Convert BMP to WebP
View all 19 tools