Free Web Tools
Online utilities for everyone
Yoopla provides hundreds of free online tools for developers, designers, students, content creators, and anyone who needs quick access to powerful web utilities. No registration required, no software to install, and completely free to use.
Why Are These Tools Free?
- ✓We believe essential web tools should be accessible to everyone
- ✓All tools run in your browser—no server costs
- ✓Community-driven development
- ✓Supported by optional Pro features for advanced users
All Categories
JSON Formatter
Beautify and format JSON data instantly online.
JSON Validator
Check if your JSON is valid in one click.
Base64 Encoder
Convert text to Base64 encoding online for free.
Base64 Decoder
Decode Base64 strings to plain text online for free.
UUID Generator
Create random UUIDs (v4) online for free.
Timestamp Converter
Convert Unix epoch timestamps to dates online for free.
Image Resizer
Resize any image online for free — no upload required.
Image Compressor
Reduce image file size online for free without quality loss.
PNG to JPG Converter
Convert PNG to JPG online for free — instant and private.
PDF Compressor
Reduce PDF file size online for free without losing quality.
Merge PDF
Merge multiple PDFs into one file online for free.
Remove Background
Remove image background online for free with AI.
OCR - Image to Text
Convert images to text online with OCR technology.
QR Code Generator
Create free QR codes online for URLs, text, WiFi, and more.
Password Generator
Create strong random passwords online for free instantly.
Lorem Ipsum Generator
Create Lorem Ipsum dummy text for layouts and mockups online.
Character Counter
Count characters and words in text online for free.
Sentence Counter
Count sentences in text online for free — analyze writing quality.
Word Counter
Count words in text online for free — real-time word counter.
Remove Line Breaks
Remove line breaks from text online for free.
Remove Duplicate Lines
Remove duplicate lines from text online for free.
Sort Text Lines
Sort text lines online for free — multiple sort options.
Percentage Calculator
Calculate percentages and percent changes online for free.
Slug Generator
Generate SEO-friendly URL slugs from text online for free.
URL Encoder
Encode URLs and strings with percent-encoding online for free.
URL Decoder
Decode URL-encoded strings online for free.
JPG to PNG Converter
Convert JPG to PNG online for free — instant and private.
Age Calculator
Calculate your age from birthdate instantly online.
Date Difference Calculator
Calculate days between two dates instantly online.
Case Converter
Convert text case online for free — 9 different formats.
JSON to CSV Converter
Convert JSON to CSV online for free — instant and accurate.
CSV to JSON Converter
Convert CSV to JSON online for free — instant and accurate.
JWT Decoder
Decode JWT tokens online instantly and securely.
Split PDF
Split PDF files or extract pages online for free.
Word to PDF
Convert Word to PDF online free — preserves formatting.
PDF to Word
Convert PDF to Word online free — get editable DOCX files.
SQL Formatter
Format and beautify SQL queries instantly online.
Regex Tester
Test regex patterns with live matching and highlighting.
Color Picker
Pick and convert colors between HEX, RGB, and HSL formats.
Markdown to HTML
Convert Markdown to HTML online for free.
HTML to Markdown
Convert HTML to Markdown online for free.
XML to JSON
Convert XML to JSON online for free.
JSON to XML
Convert JSON to XML online for free.
VAT Calculator
Calculate VAT online — add or remove tax from prices.
Markdown Editor
Online Markdown editor with live preview — write and export instantly.
HTML Formatter
Format and beautify HTML code with proper indentation.
HTML Minifier
Minify and compress HTML code to reduce file size.
CSS Minifier
Minify and compress CSS code to reduce file size.
JavaScript Minifier
Minify and compress JavaScript code to reduce file size.
Hash Generator
Generate MD5, SHA-1, SHA-256, and other hash values from text.
MD5 Generator
Generate MD5 hash from text or files quickly and securely.
SHA-256 Generator
Generate SHA-256 hash from text or files securely.
CSV Viewer
View and preview CSV files with a clean table interface.
JSON Diff Checker
Compare two JSON objects and highlight differences.
CSS Formatter
Format and beautify CSS code with proper indentation.
YAML to JSON
Convert YAML to JSON format instantly online.
JSON to YAML
Convert JSON to YAML format instantly online.
Binary Converter
Convert between binary, decimal, octal, and hexadecimal.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Text Sorter
Sort text lines alphabetically or by custom order.
Duplicate Line Remover
Remove duplicate lines from text and keep only unique lines.
Word Frequency Counter
Count word frequency and occurrences in your text.
Character Remover
Remove specific characters or patterns from text.
Markdown Previewer
Preview Markdown content in real-time with live rendering.
Text Replacer
Find and replace text with support for regex patterns.
Line Counter
Count the number of lines in your text instantly.
Text Reverser
Reverse text, words, or lines instantly online.
Image Cropper
Crop and cut images to custom dimensions online.
SVG to PNG
Convert SVG vector images to PNG raster format.
PNG to WebP
Convert PNG images to WebP format for better compression.
WebP to PNG
Convert WebP images to PNG format easily online.
JPG to WebP
Convert JPG images to modern WebP format online.
WebP to JPG
Convert WebP images to JPG format online.
Image Rotator
Rotate images by 90, 180, or 270 degrees online.
Image Flipper
Flip images horizontally or vertically online.
Image Metadata Viewer
View EXIF and metadata information from images.
Palette Generator
Extract color palettes from images automatically.
GIF to MP4
Convert animated GIF images to MP4 video format.
Rotate PDF
Rotate PDF pages by 90, 180, or 270 degrees online.
PDF to JPG
Convert PDF pages to JPG images online.
JPG to PDF
Convert JPG images to PDF documents online.
Unlock PDF
Remove password protection from PDF files online.
Protect PDF
Add password protection to PDF files for security.
Add PDF Page Numbers
Add page numbers to PDF documents online.
Loan Calculator
Calculate loan payments, interest, and amortization schedules.
BMI Calculator
Calculate Body Mass Index (BMI) and health metrics.
Unit Converter
Convert between different units of measurement instantly.
Tip Calculator
Calculate tips and split bills with ease.
Time Calculator
Calculate time differences, add or subtract time periods.
Discount Calculator
Calculate discounts, sale prices, and savings amounts.
Interest Calculator
Calculate simple and compound interest earnings
Salary Calculator
Convert annual salary to hourly/daily/weekly/monthly rates
HEX to RGB
Convert HEX color codes to RGB format instantly.
RGB to HEX
Convert RGB color values to HEX format instantly.
Binary to Text
Convert binary code to text and decode binary data.
Text to Binary
Convert text to binary code and encode data.
HTML Entities Encoder
Encode special characters to HTML entities.
HTML Entities Decoder
Decode HTML entities back to special characters.
Morse Code Translator
Translate text to Morse code and Morse code to text.
QR Code Reader
Scan and decode QR codes from images instantly.
Random Number Generator
Generate random numbers within a specified range.
Random String Generator
Generate random strings with custom length and characters.
Base64 Image Encoder
Convert images to Base64 encoded data URI strings.
DNS Lookup
Lookup DNS records and domain information online.
IP Address Lookup
Find your IP address and lookup IP information.
Unicode Converter
Convert text to Unicode and Unicode to text.
Email Validator
Validate email addresses and check email syntax.
Whitespace Remover
Remove extra whitespace, tabs, and line breaks from text.
Random Text Generator
Generate random text, words, sentences, or strings.
Text Diff Checker
Compare two texts and see differences.
URL Parser
Parse and analyze URL components.
Meta Tag Generator
Generate SEO meta tags for your website.
Robots.txt Generator
Generate robots.txt for search engine crawlers.
Sitemap Generator
Create XML sitemap for better SEO.
Schema Markup Generator
Create schema markup for rich search results.
Keyword Density Analyzer
Calculate keyword density for SEO content analysis
Canonical Tag Generator
Generate canonical tags to prevent duplicate content
Hreflang Tag Generator
Generate hreflang tags for multilingual websites
SEO Title Generator
Generate SEO-optimized page titles
Meta Description Generator
Generate SEO-optimized meta descriptions
ENV Generator
Generate .env files online for free.
Cron Parser
Parse cron expressions online for free.
Nginx Config Generator
Create nginx config files online for free.
Htaccess Generator
Create .htaccess files online for free.
Docker Compose Generator
Create docker-compose files online for free.
Password Hash Generator
Hash passwords online with SHA algorithms.
Bcrypt Generator
Hash passwords with bcrypt online.
Password Strength Checker
Analyze password strength and security.
UUID Validator
Validate UUIDs online for free.
HTTP Header Parser
Parse HTTP headers online for free.
Hex to Decimal Converter
Convert hex to decimal
Roman Numeral Converter
Convert Roman numerals
Number Base Converter
Convert number bases
Text to Binary Converter
Convert text to binary code online.
Binary to Text Converter
Decode binary code to text online.
Length & Distance Converter
Convert length units
Open Graph Generator
Create social media meta tags
Barcode Generator
Create barcodes for products
CSS Gradient Generator
Generate CSS gradients visually
Timezone Converter
Convert between world timezones
Color Converter
Convert color formats (HEX/RGB/HSL)
Text Diff Checker
Compare and diff two texts
Image Cropper
Crop images to custom size
Binary Converter
Convert between number systems
Temperature Converter
Convert temperature units
JPG to WebP Converter
Convert JPG to WebP online
WebP to JPG Converter
Convert WebP to JPG online
GPA Calculator
Calculate your GPA instantly
Mortgage Calculator
Calculate monthly mortgage payments
Meme Generator
Create memes with custom text
Hours Calculator
Calculate hours worked and pay
Title Case Converter
Convert text case formats
Tax Calculator
Add or remove sales tax
Investment Calculator
Calculate investment returns
Word Scrambler
Scramble text and words
Random Name Generator
Generate random names
Date Calculator
Add/subtract date periods
Calorie Calculator
Calculate daily calories
Retirement Calculator
Plan retirement savings
BMR Calculator
Calculate basal metabolic rate
Fraction Calculator
Calculate with fractions
Percentage Difference Calculator
Compare values with percentages
ROI Calculator
Calculate return on investment
Currency Converter
Convert world currencies
Lease Calculator
Calculate lease payments
Debt Calculator
Plan debt payoff strategy
Compound Interest Calculator
Calculate compound growth
Square Footage Calculator
Calculate area and square feet
Gas Mileage Calculator
Calculate MPG and fuel costs
Reverse Text Tool
Reverse text by characters, words, or lines
Number to Words Converter
Convert numbers to written words
Letter Counter & Frequency Analyzer
Count letter frequency and distribution
IP Address Lookup Tool
Find your public IP address
Epoch & Unix Timestamp Converter
Convert Unix timestamps to dates
Color Mixer Tool
Mix and blend two colors
WCAG Contrast Checker Tool
Check WCAG color contrast ratios
Credit Card Validator Tool
Validate credit card numbers
Kilogram to Gram Converter
Convert kg to g online for free.
Kilogram to Milligram Converter
Convert kg to mg online for free.
Kilogram to Pound Converter
Convert kg to lb online for free.
Kilogram to Ounce Converter
Convert kg to oz online for free.
Kilogram to Metric Ton Converter
Convert kg to t online for free.
Kilogram to Stone Converter
Convert kg to st online for free.
Gram to Milligram Converter
Convert g to mg online for free.
Gram to Pound Converter
Convert g to lb online for free.
Gram to Ounce Converter
Convert g to oz online for free.
Gram to Metric Ton Converter
Convert g to t online for free.
Gram to Stone Converter
Convert g to st online for free.
Milligram to Pound Converter
Convert mg to lb online for free.
Milligram to Ounce Converter
Convert mg to oz online for free.
Milligram to Metric Ton Converter
Convert mg to t online for free.
Milligram to Stone Converter
Convert mg to st online for free.
Pound to Ounce Converter
Convert lb to oz online for free.
Pound to Metric Ton Converter
Convert lb to t online for free.
Pound to Stone Converter
Convert lb to st online for free.
Ounce to Metric Ton Converter
Convert oz to t online for free.
Ounce to Stone Converter
Convert oz to st online for free.
Metric Ton to Stone Converter
Convert t to st online for free.
Millimeter to Centimeter Converter
Convert mm to cm online for free.
Millimeter to Meter Converter
Convert mm to m online for free.
Millimeter to Kilometer Converter
Convert mm to km online for free.
Millimeter to Inch Converter
Convert mm to in online for free.
Millimeter to Foot Converter
Convert mm to ft online for free.
Millimeter to Yard Converter
Convert mm to yd online for free.
Millimeter to Mile Converter
Convert mm to mi online for free.
Centimeter to Meter Converter
Convert cm to m online for free.
Centimeter to Kilometer Converter
Convert cm to km online for free.
Centimeter to Inch Converter
Convert cm to in online for free.
Centimeter to Foot Converter
Convert cm to ft online for free.
Centimeter to Yard Converter
Convert cm to yd online for free.
Centimeter to Mile Converter
Convert cm to mi online for free.
Meter to Kilometer Converter
Convert m to km online for free.
Meter to Inch Converter
Convert m to in online for free.
Meter to Foot Converter
Convert m to ft online for free.
Meter to Yard Converter
Convert m to yd online for free.
Meter to Mile Converter
Convert m to mi online for free.
Kilometer to Inch Converter
Convert km to in online for free.
Kilometer to Foot Converter
Convert km to ft online for free.
Kilometer to Yard Converter
Convert km to yd online for free.
Kilometer to Mile Converter
Convert km to mi online for free.
Inch to Foot Converter
Convert in to ft online for free.
Inch to Yard Converter
Convert in to yd online for free.
Inch to Mile Converter
Convert in to mi online for free.
Foot to Yard Converter
Convert ft to yd online for free.
Foot to Mile Converter
Convert ft to mi online for free.
Yard to Mile Converter
Convert yd to mi online for free.
Square Meter to Square Foot Converter
Convert m² to ft² online for free.
Square Meter to Hectare Converter
Convert m² to ha online for free.
Square Meter to Acre Converter
Convert m² to ac online for free.
Square Meter to Square Kilometer Converter
Convert m² to km² online for free.
Square Meter to Square Mile Converter
Convert m² to mi² online for free.
Square Foot to Hectare Converter
Convert ft² to ha online for free.
Square Foot to Acre Converter
Convert ft² to ac online for free.
Square Foot to Square Kilometer Converter
Convert ft² to km² online for free.
Square Foot to Square Mile Converter
Convert ft² to mi² online for free.
Hectare to Acre Converter
Convert ha to ac online for free.
Hectare to Square Kilometer Converter
Convert ha to km² online for free.
Hectare to Square Mile Converter
Convert ha to mi² online for free.
Acre to Square Kilometer Converter
Convert ac to km² online for free.
Acre to Square Mile Converter
Convert ac to mi² online for free.
Square Kilometer to Square Mile Converter
Convert km² to mi² online for free.
Milliliter to Liter Converter
Convert ml to L online for free.
Milliliter to Gallon (US) Converter
Convert ml to gal online for free.
Milliliter to Cup Converter
Convert ml to cup online for free.
Milliliter to Pint (US) Converter
Convert ml to pt online for free.
Milliliter to Quart (US) Converter
Convert ml to qt online for free.
Milliliter to Tablespoon Converter
Convert ml to tbsp online for free.
Milliliter to Teaspoon Converter
Convert ml to tsp online for free.
Liter to Gallon (US) Converter
Convert L to gal online for free.
Liter to Cup Converter
Convert L to cup online for free.
Liter to Pint (US) Converter
Convert L to pt online for free.
Liter to Quart (US) Converter
Convert L to qt online for free.
Liter to Tablespoon Converter
Convert L to tbsp online for free.
Liter to Teaspoon Converter
Convert L to tsp online for free.
Gallon (US) to Cup Converter
Convert gal to cup online for free.
Gallon (US) to Pint (US) Converter
Convert gal to pt online for free.
Gallon (US) to Quart (US) Converter
Convert gal to qt online for free.
Gallon (US) to Tablespoon Converter
Convert gal to tbsp online for free.
Gallon (US) to Teaspoon Converter
Convert gal to tsp online for free.
Cup to Pint (US) Converter
Convert cup to pt online for free.
Cup to Quart (US) Converter
Convert cup to qt online for free.
Cup to Tablespoon Converter
Convert cup to tbsp online for free.
Cup to Teaspoon Converter
Convert cup to tsp online for free.
Pint (US) to Quart (US) Converter
Convert pt to qt online for free.
Pint (US) to Tablespoon Converter
Convert pt to tbsp online for free.
Pint (US) to Teaspoon Converter
Convert pt to tsp online for free.
Quart (US) to Tablespoon Converter
Convert qt to tbsp online for free.
Quart (US) to Teaspoon Converter
Convert qt to tsp online for free.
Tablespoon to Teaspoon Converter
Convert tbsp to tsp online for free.
Meters per Second to Kilometers per Hour Converter
Convert m/s to km/h online for free.
Meters per Second to Miles per Hour Converter
Convert m/s to mph online for free.
Meters per Second to Knot Converter
Convert m/s to kn online for free.
Kilometers per Hour to Miles per Hour Converter
Convert km/h to mph online for free.
Kilometers per Hour to Knot Converter
Convert km/h to kn online for free.
Miles per Hour to Knot Converter
Convert mph to kn online for free.
Byte to Kilobyte Converter
Convert B to KB online for free.
Byte to Megabyte Converter
Convert B to MB online for free.
Byte to Gigabyte Converter
Convert B to GB online for free.
Byte to Terabyte Converter
Convert B to TB online for free.
Byte to Petabyte Converter
Convert B to PB online for free.
Kilobyte to Megabyte Converter
Convert KB to MB online for free.
Kilobyte to Gigabyte Converter
Convert KB to GB online for free.
Kilobyte to Terabyte Converter
Convert KB to TB online for free.
Kilobyte to Petabyte Converter
Convert KB to PB online for free.
Megabyte to Gigabyte Converter
Convert MB to GB online for free.
Megabyte to Terabyte Converter
Convert MB to TB online for free.
Megabyte to Petabyte Converter
Convert MB to PB online for free.
Gigabyte to Terabyte Converter
Convert GB to TB online for free.
Gigabyte to Petabyte Converter
Convert GB to PB online for free.
Terabyte to Petabyte Converter
Convert TB to PB online for free.
Second to Minute Converter
Convert s to min online for free.
Second to Hour Converter
Convert s to h online for free.
Second to Day Converter
Convert s to d online for free.
Second to Week Converter
Convert s to wk online for free.
Second to Month (30 days) Converter
Convert s to mo online for free.
Second to Year (365 days) Converter
Convert s to yr online for free.
Minute to Hour Converter
Convert min to h online for free.
Minute to Day Converter
Convert min to d online for free.
Minute to Week Converter
Convert min to wk online for free.
Minute to Month (30 days) Converter
Convert min to mo online for free.
Minute to Year (365 days) Converter
Convert min to yr online for free.
Hour to Day Converter
Convert h to d online for free.
Hour to Week Converter
Convert h to wk online for free.
Hour to Month (30 days) Converter
Convert h to mo online for free.
Hour to Year (365 days) Converter
Convert h to yr online for free.
Day to Week Converter
Convert d to wk online for free.
Day to Month (30 days) Converter
Convert d to mo online for free.
Day to Year (365 days) Converter
Convert d to yr online for free.
Week to Month (30 days) Converter
Convert wk to mo online for free.
Week to Year (365 days) Converter
Convert wk to yr online for free.
Month (30 days) to Year (365 days) Converter
Convert mo to yr online for free.
Degree to Radian Converter
Convert ° to rad online for free.
Degree to Gradian Converter
Convert ° to grad online for free.
Radian to Gradian Converter
Convert rad to grad online for free.
Bar to PSI Converter
Convert bar to psi online for free.
Bar to Kilopascal Converter
Convert bar to kPa online for free.
Bar to Atmosphere Converter
Convert bar to atm online for free.
PSI to Kilopascal Converter
Convert psi to kPa online for free.
PSI to Atmosphere Converter
Convert psi to atm online for free.
Kilopascal to Atmosphere Converter
Convert kPa to atm online for free.
Joule to Calorie Converter
Convert J to cal online for free.
Joule to Kilowatt-hour Converter
Convert J to kWh online for free.
Joule to BTU Converter
Convert J to BTU online for free.
Calorie to Kilowatt-hour Converter
Convert cal to kWh online for free.
Calorie to BTU Converter
Convert cal to BTU online for free.
Kilowatt-hour to BTU Converter
Convert kWh to BTU online for free.
Crypto Profit Calculator
Calculate crypto trading profit and loss
Satoshi Converter
Convert BTC to Satoshi and back
Grade Calculator
Calculate required final exam grade
Random Password Generator
Generate secure random passwords
Yes or No Generator
Random Yes/No decision maker
Water Intake Calculator
Calculate daily water needs
Reading Time Calculator
Estimate reading time for any text
Bitcoin ROI Calculator
Calculate Bitcoin investment returns
Coin Flip
Flip a coin - Heads or Tails
Dice Roller
Roll dice online - Virtual dice
Tip Splitter
Split bill and tip calculator
Mean Calculator
Calculate mean (average) of numbers
Median Calculator
Calculate median of numbers
Mode Calculator
Calculate mode of numbers
Standard Deviation Calculator
Calculate standard deviation & variance
Probability Calculator
Calculate probability & odds
Random Team Generator
Generate random balanced teams
Percentile Calculator
Calculate percentiles and ranks
Z-Score Calculator
Calculate z-scores and standard scores
Variance Calculator
Calculate variance & std dev
Range Calculator
Calculate range and min/max
Quartile Calculator
Calculate Q1, Q2, Q3 & IQR
Binomial Probability Calculator
Calculate binomial probabilities
Normal Distribution Calculator
Calculate normal distribution probabilities
Confidence Interval Calculator
Calculate confidence intervals
Correlation Calculator
Calculate correlation coefficient
Linear Regression Calculator
Calculate linear regression
Text Case Alternator
Alternating case generator
Upside Down Text Generator
Flip text upside down
Strikethrough Text Generator
Generate strikethrough text
Mirror Text Generator
Create mirror/reverse text
Bubble Text Generator
Generate bubble/circled text
Small Text Generator
Generate small/tiny text
Wide Text Generator
Generate fullwidth/wide text
Italic Text Generator
Generate italic/slanted text
Bold Text Generator
Generate bold/heavy text
Underline Text Generator
Generate underlined text