Free Online Tools

130+ free tools for developers, designers & everyday use. No signup, no ads, 100% private.

Fast, private & runs entirely in your browser

📄

PDF Tools

View:

Merge PDF Online Free

Combine multiple PDFs into one document

Split PDF Online Free

Split a PDF into individual pages or ranges

Remove PDF Pages

Remove unwanted pages from a PDF

Extract PDF Pages

Extract specific pages into a new PDF

Organize PDF Pages

Reorder pages in a PDF document

Rotate PDF

Rotate PDF pages by 90°, 180°, or 270°

Add Page Numbers to PDF

Add page numbers to PDF pages

Add Watermark to PDF

Add a text watermark to PDF pages

PDF Metadata Editor

View and edit PDF document metadata

JPG to PDF Converter Free

Convert JPG/PNG images to PDF

PDF to JPG Converter Free

Convert PDF pages to JPG images

Unlock PDF

Remove password protection from a PDF

Crop PDF

Crop PDF pages by trimming margins

Sign PDF

Add a handwritten signature to a PDF

Redact PDF

Black out sensitive areas in a PDF

🛠

Developer Tools

View:

JSON Formatter & Validator Online

Format, validate and beautify JSON data online

Base64 Encoder & Decoder

Encode and decode Base64 strings online

JWT Decoder

Decode and inspect JWT tokens online

Regex Tester with Explanation

Test regex patterns with real-time matching and explanations

UUID Generator Online

Generate random UUID v4 identifiers online

URL Encoder & Decoder

Encode and decode URL strings online

HTML Entity Encoder & Decoder

Encode and decode HTML entities online

CSS Minifier

Minify CSS code to reduce file size

JavaScript Minifier

Minify JavaScript code to reduce file size

SQL Formatter & Beautifier

Format and beautify SQL queries online

Cron Expression Parser

Parse cron expressions into human-readable text

HTML Formatter

Beautify and indent HTML code

JSON to YAML Converter

Convert JSON data to YAML format

YAML to JSON Converter

Convert YAML data to JSON format

XML Formatter

Beautify and indent XML documents

HTTP Status Codes Reference

Searchable HTTP status code reference

ASCII / Unicode Table

Interactive ASCII and character code reference

CSV to JSON Converter

Convert CSV data to JSON array

JSON to CSV Converter

Convert JSON array to CSV format

Markdown to HTML Converter

Convert Markdown to HTML with preview

Chmod Calculator

Calculate Unix file permissions

Placeholder Image Generator

Generate custom SVG placeholder images

Code Snippet Generator

Generate common code snippets and boilerplate

📝

Text Tools

View:

Word Counter & Character Counter

Count words, characters, sentences and paragraphs

Text Case Converter

Convert text between different cases

URL Slug Generator

Generate clean, SEO-friendly URL slugs from text

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text

Markdown Preview

Live Markdown editor with instant preview

Text Diff & Compare Tool

Compare two texts and highlight differences

String Length & Byte Counter

Count string length, bytes and characters

Duplicate Line Remover

Remove duplicate lines from text

Text Reverser

Reverse text, words, or lines

Find and Replace

Find and replace text with regex support

Line Sorter

Sort lines alphabetically, numerically, or by length

Whitespace Remover

Remove extra spaces, blank lines, and tabs

Text to Binary Converter

Convert text to binary, hex, or octal

Text Repeater

Repeat text multiple times with custom separator

Text Encryption (Ciphers)

Encrypt text with ROT13, Caesar, and Atbash ciphers

Morse Code Translator

Translate between text and Morse code

NATO Phonetic Alphabet Converter

Convert text to NATO phonetic alphabet

CSV Column Extractor

Extract specific columns from CSV data

🔒

Password & Security

View:

Strong Password Generator

Generate strong, customizable passwords online

Hash Generator Online Free (MD5, SHA256)

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes online

Password Strength Checker

Check password strength with detailed analysis

Bcrypt Hash Generator & Verifier

Generate and verify bcrypt password hashes

Checksum Generator

Generate MD5, SHA-1, SHA-256, SHA-512 checksums

Encryption / Decryption Tool

Encrypt and decrypt text with AES-256

🎨

Image & Design

View:

Color Code Converter Online

Convert between HEX, RGB, HSL color formats

CSS Gradient Generator

Create CSS gradients with live preview

CSS Box Shadow Generator

Generate CSS box-shadow with live preview

CSS Border Radius Generator

Generate CSS border-radius with live preview

Aspect Ratio Calculator

Calculate and convert aspect ratios

Color Palette Generator

Generate harmonious color palettes

PX to REM Converter

Convert between px and rem CSS units

Text Shadow Generator

Generate CSS text-shadow with live preview

Font Pair Suggester

Browse curated Google Font pairings

SVG Viewer & Optimizer

View and optimize SVG code

Icon Generator

Search, customize & download 1,900+ icons in SVG, PNG, JPEG, WebP

📱

QR Code

View:

Free QR Code Generator

Generate QR codes for URLs, WiFi, vCard, email, events & more

Custom QR Code Designer Free

Design QR codes with custom dots, corners, logos, frames & colors

Batch QR Code Generator Free

Generate up to 100 QR codes in batch with custom patterns

🔢

Number & Math

View:

Number Base Converter

Convert between binary, decimal, hex and octal

Percentage Calculator

Calculate percentage increase, decrease and more

Random Number Generator

Generate random numbers in any range

Roman Numeral Converter

Convert between decimal and Roman numerals

Fibonacci Generator

Generate Fibonacci sequences and check numbers

Prime Number Checker

Check primes and find prime factorizations

GCD & LCM Calculator

Find GCD and LCM of multiple numbers

Statistics Calculator

Calculate mean, median, mode, std deviation, and more

Binary Calculator

Add, subtract, multiply, and divide binary numbers

Scientific Notation Converter

Convert between decimal and scientific notation

Fraction Calculator

Calculate and simplify fractions

BMI Calculator

Calculate Body Mass Index from height and weight

💰

Finance Calculators

View:

Loan EMI Calculator Online

Calculate loan EMI with amortization schedule

Compound Interest Calculator

Calculate compound interest with detailed breakdown

Tip Calculator

Calculate tips and split bills easily

Discount Calculator

Calculate discounts, sale prices and savings

Mortgage Calculator

Calculate mortgage payments and amortization

Salary Calculator

Convert salary between hourly, monthly, and annual

Investment Return Calculator

Calculate ROI, CAGR, and investment growth

Tax Calculator

Calculate taxes with multiple rate support

Unit Price Calculator

Compare unit prices to find the best deal

Electricity Cost Calculator

Calculate electricity costs for appliances

Margin Calculator

Calculate profit margin and markup

Currency Converter

Convert between major world currencies

📈

SEO & Marketing

View:

Meta Tag Generator

Generate SEO meta tags and social media tags

Open Graph Preview

Preview social media share cards for your pages

Keyword Density Checker

Analyze keyword frequency and density in text

Robots.txt Generator

Generate robots.txt files for search engines

Schema Markup Generator

Generate JSON-LD structured data for SEO

UTM Link Builder

Build UTM tracking URLs for campaigns

Sitemap Generator

Generate XML sitemaps for SEO

Heading Tag Analyzer

Analyze HTML heading structure for SEO

🕐

Date & Time

View:

Unix Timestamp Converter Online

Convert Unix timestamps to dates and back

Date Difference Calculator

Calculate the difference between two dates

Timezone Converter

Convert time between world timezones

Age Calculator

Calculate exact age with birthday details

Countdown Timer

Live countdown to any date and time

Stopwatch

Stopwatch with lap times

Date Formatter

Format dates with custom patterns

World Clock

View current time in multiple cities

Week Number Calculator

Find ISO week numbers and date ranges

Work Days Calculator

Count working days between dates

Pomodoro Timer

Productivity timer with work and break intervals

Time Unit Converter

Convert between time units

📐

Unit Converters

View:

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin

Length & Distance Converter

Convert between length and distance units

Weight & Mass Converter

Convert between weight and mass units

Data Storage Converter

Convert between bytes, KB, MB, GB and TB

Speed Converter

Convert between speed and velocity units

Area Converter

Convert between area measurement units

Volume Converter

Convert between volume and liquid units

Energy Converter

Convert between energy and power units

Pressure Converter

Convert between pressure measurement units

Fuel Economy Converter

Convert between MPG, L/100km, and km/L

Angle Converter

Convert between angle measurement units

Frequency Converter

Convert between frequency units

Cooking Unit Converter

Convert cooking measurements and ingredient weights

Shoe Size Converter

Convert shoe sizes between US, UK, EU, and CM

Number to Words Converter

Convert numbers to English words