Free Online Tools

Powerful, privacy-first tools for developers, Linux users, SEO professionals, and more. All tools run in your browser — no data leaves your device.

77 tools available

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Password Generator

Generate strong, secure, random passwords with custom length and character options.

Password Strength Checker

Analyze any password and get a detailed strength report with improvement suggestions.

Base64 Encoder

Encode any text or string to Base64 format instantly.

Base64 Decoder

Decode Base64 encoded strings back to plain text instantly.

Image to Base64 Converter

Convert images into Base64 encoded strings for embedding into HTML, CSS, or JSON.

Base64 to Image Converter

Decode Base64 encoded strings and Data URIs back into viewable and downloadable images.

HTML Beautifier

Format, indent, and beautify minified or messy HTML code into a clean, readable style.

JavaScript Beautifier

Format and beautify messy or minified JavaScript code into a clean, readable style.

JavaScript Minifier

Compress and optimize JavaScript code to reduce file size and improve loading speeds.

HTML Minifier

Compress and minify HTML code online to reduce file size and improve website load speed.

CSS Beautifier

Format, indent, and beautify minified or messy CSS code into a clean, readable style.

CSS Minifier

Compress and minify CSS code online to reduce file size and improve website load speed.

JSON Formatter

Beautify, format, and validate JSON data with syntax highlighting.

JSON Validator

Validate your JSON syntax and get clear error messages on invalid JSON.

UUID Generator

Generate RFC 4122 and RFC 9562 compliant UUIDs (v4, v7, v1) in bulk for development, databases, and testing.

URL Encoder

Encode special characters in URLs for safe transmission and query parameters.

URL Decoder

Decode percent-encoded URLs back to human-readable text.

HTML Encoder / Decoder

Encode and decode HTML entities like &, <, > and more.

Markdown Previewer

Write Markdown and see a live rendered preview side by side.

Regex Tester

Test and debug regular expressions with live match highlighting.

Text Difference Checker

Compare two blocks of text and highlight the differences line by line.

Line Sorter

Alphabetize or numerically sort text lines, randomly shuffle lists, or sort by length.

Remove Duplicate Lines

Instantly remove duplicate lines from lists, text files, and logs while preserving order.

Binary ↔ Hex ↔ ASCII Converter

Convert values seamlessly between Text, Binary, Hexadecimal, Decimal, and Octal formats.

Text Case Converter

Convert text instantly between UPPERCASE, lowercase, camelCase, PascalCase, snake_case, and more.

Word Counter

Count words, characters, sentences, paragraphs, and reading time in any text.

Character Counter

Count characters with and without spaces. Perfect for social media and SEO.

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text with custom paragraph and word counts.

Slug Generator

Convert any title or phrase into a clean URL-friendly slug.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

JWT Decoder

Decode and inspect JSON Web Tokens — header, payload, and signature.

Color Picker & Converter

Pick and convert colors between HEX, RGB, HSL, HSV, and CMYK. Includes contrast checker.

CSS Gradient Generator

Visually create beautiful CSS gradients. Supports linear, radial, angles, and multiple color stops.

CSS Box Shadow Generator

Visually generate CSS box-shadows. Adjust offset, blur, spread, and opacity in real-time.

Color Palette Generator

Generate beautiful color palettes. Explore monochrome, complementary, analogous, and triadic schemes.

JSON to CSV Converter

Convert JSON data into CSV format instantly. Great for opening API data in Excel.

CSV to JSON Converter

Convert CSV files into JSON format instantly. Great for preparing data for APIs.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files instantly.

Hash Checker

Verify file integrity by comparing MD5, SHA-1, SHA-256, and SHA-512 hashes.

XML Formatter

Format, beautify, and validate messy XML strings. 100% client-side and secure.

XML Validator

Check if XML is well-formed. Detects syntax errors, mismatched tags, and structural issues.

YAML to JSON Converter

Convert YAML configuration files into JSON format instantly. 100% secure.

JSON to YAML Converter

Convert JSON data into clean, readable YAML format instantly. 100% secure.

SQL Formatter

Format, beautify, and minify SQL queries. Supports MySQL, PostgreSQL, SQL Server, and more.

CSS Grid Generator

Visually design and generate complex CSS Grid layouts instantly.

CSS Flexbox Generator

Visually build CSS Flexbox layouts. Instantly generate HTML and CSS code.

Gitignore Generator

Generate .gitignore files instantly by selecting your tech stack.

.env Generator

Generate, manage, and validate environment variables for any framework.

Fake User Generator

Generate realistic, localized dummy user data for testing and mockups.

Linux Permission Calculator

Calculate and convert Linux file permissions easily.

Cron Expression Generator

Build and validate cron expressions with a visual scheduler interface.

Linux Command Explorer

Search and explore Linux commands with examples and man page summaries.

Systemd Service File Generator

Generate systemd unit service files from a guided interactive form.

Docker Compose Generator

Generate docker-compose.yml files from a visual multi-service builder.

Nginx Config Generator

Generate optimized Nginx server block configurations for common use cases.

File Permission Converter

Convert between octal, symbolic, and binary file permission notations.

Meta Tag Preview Tool

Preview how your pages look in Google search results and social media.

Keyword Density Checker

Analyze keyword frequency and density in your content for SEO optimization.

Robots.txt Generator

Generate a robots.txt file to control search engine crawler access.

Sitemap Validator

Validate your XML sitemap structure and check for common errors.

Open Graph Preview Tool

Preview how your Open Graph tags look when shared on Facebook, Twitter, and LinkedIn.

SEO Title Length Checker

Check if your SEO title length is within Google's recommended range.

Meta Description Length Checker

Check if your meta description is the right length for Google's SERP display.

Image Compressor

Compress images online to reduce file size without visible quality loss.

Image Resizer

Resize images to exact dimensions or percentage while maintaining aspect ratio.

JPG to PNG Converter

Convert JPG/JPEG images to PNG format with transparent background support.

PNG to JPG Converter

Convert PNG images to JPG format with adjustable quality settings.

WebP Converter

Convert images to and from WebP format for better web performance.

Image Cropper

Crop images to custom dimensions or aspect ratios with a drag-and-drop interface.

EXIF Viewer

View embedded EXIF metadata in photos including camera settings, date, and GPS location.

Remove EXIF Metadata

Strip sensitive EXIF metadata from images to protect your privacy.

Image Dimension Checker

Check image width, height, aspect ratio, file size, and format instantly.

Readability Checker

Analyze reading level, sentence length, and passive voice in your writing.

Schema Markup Generator

Generate valid JSON-LD structured data for Articles, FAQs, Products, and more.

Canonical Tag Generator

Generate correct HTML canonical tags to prevent duplicate content issues.

Decision Wheel

A fun, interactive spin wheel to make random choices for giveaways, games, and decisions.

QR Code Generator

Generate QR codes from text, URLs, or any data with custom colors and sizes.

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