Free Online Tools

Simple and free online tools for your daily tasks. No ads, no tracking, no registration required.

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Image Tools

Transform, edit, and convert images with these powerful tools

Image Converter
Convert images between different formats
Image to Base64
Convert your images to Base64 string format with a simple tool
Resize Image
Easily resize your images to any dimension with precision
Rotate Image
Easily rotate and flip images with precision
Watermark Image
Add text or image watermarks to your photos easily
Base64 to Image
Convert Base64 encoded strings back to images
Batch Resize Image
Resize multiple images at once. Upload multiple images and resize them all with the same settings.
Crop Image
Easily crop and resize images with precision
Extract Color from Image
Analyze and extract accurate colors from images with advanced AI technology. Supports multiple color formats (HEX, RGB, HSL), smart sorting, and easy data export. Completely free and does not store user data.
Image Color Picker
Pick colors from any image with your mouse cursor
Image Compression
Smart WebP, PNG, and JPEG compression tool, significantly reducing image file sizes without compromising quality
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Text Tools

Manipulate and analyze text content easily

Character Counter
Count characters, words, lines and analyze text density
Convert Case
Convert text between different case formats
Find and Replace
Find and replace text in your content
Remove Spaces
Remove or replace spaces in your text
Remove Vietnamese Accents
Remove accents from Vietnamese text with ease. Perfect for creating URLs, file names, or any context requiring accent-free text.
Text Compare
Compare two texts and highlight the differences between them
Text Repeat
Enter text, set number of repetitions and delimiter
Text Reverse
Enter your text below to see it reversed instantly
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Developer Tools

Helpful utilities for web developers and programmers

HTML to Markdown
Convert HTML to clean, readable Markdown with this powerful converter. Perfect for content migration and documentation.
JS Formatter
Format and beautify your JavaScript code with customizable options to make it more readable and consistent.
JS Minify
Minify your JavaScript code by removing unnecessary characters, whitespace, and comments to reduce file size and improve performance.
Markdown to HTML
Convert your Markdown content into clean HTML with live preview. Fast and efficient Markdown to HTML conversion.
Minify HTML
Compress your HTML code by removing unnecessary characters to reduce file size and improve performance.
Prettify HTML
Make your HTML code beautifully formatted and readable with customizable indentation. Clean up minified HTML instantly.
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JSON Tools

Work with JSON data formats efficiently

CSV to JSON
Convert your CSV data to JSON format. Easily transform CSV files into JSON arrays for your applications.
Highlight JSON
Paste your JSON code and see it highlighted in real-time. The editor automatically uses your site theme and applies 2-space indentation.
JSON Compare
Compare two JSON objects and see the differences. Easily identify changes, additions, and deletions between JSON structures.
JSON Escape
Escape and unescape JSON strings with ease. Perfect for developers working with JSON data.
JSON to CSV
Convert your JSON data to CSV format. Easily transform arrays of objects into downloadable CSV files.
Minify JSON
Remove all unnecessary whitespace from your JSON to reduce file size. Create compact, minified JSON instantly.
Prettify JSON
Make your JSON code beautifully formatted and readable with customizable indentation. Clean up minified JSON instantly.
Validate JSON
Quickly check JSON for errors and report them in detail. Validate your JSON structure instantly.
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Math Tools

Calculate area, perimeter and more for different shapes

Circle Calculator
Calculate the circumference and area of a circle based on radius or diameter. A simple and precise geometry tool.
Parallelogram Calculator
Calculate the perimeter and area of a parallelogram based on different methods. A simple and precise geometry tool.
Rectangle Calculator
Calculate the perimeter and area of a rectangle based on different methods. A simple and precise geometry tool.
Rhombus Calculator
Calculate the perimeter and area of a rhombus using different methods. Simple and accurate geometry tool.
Square Calculator
Calculate the perimeter and area of a square based on side length. A simple and precise geometry tool.
Trapezium Calculator
Calculate the perimeter and area of a trapezium based on different methods. A simple and precise geometry tool.
Triangle Calculator
Calculate the perimeter and area of a triangle based on different methods. A simple and precise geometry tool.
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GIF Tools

Work with animated GIF images

Extract GIF Frames
Extract all frames from animated GIF files. Upload a GIF and get all individual frames as separate images.

Latest Blog Posts

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Detailed guide on optimizing images before posting to Facebook: choosing the right dimensions, formats, quality settings, and tips to enable HD mode to ensure your photos always stay sharp, clear, and eye-catching.

Image Optimization: Top 5 Secret Tips to Speed Up Your Website & Boost SEO Rankings
Image Optimization: Top 5 Secret Tips to Speed Up Your Website & Boost SEO Rankings
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Learn how to comprehensively optimize images for your website. Discover secret tips to increase page load speed, enhance user experience, and get your images to the top of Google!

Shopee Image Optimization: Top 5 Secrets to Boost CTR and Explode Your Sales
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Master Shopee product image optimization with essential tips on standard sizes, professional photography techniques, post-processing skills, and leveraging video & AI in 2024. Stand out from competitors, increase click-through rates (CTR), and skyrocket your revenue today.

Optimize Facebook Advertising Images: Top 5 Secrets for Customer Acquisition
Optimize Facebook Advertising Images: Top 5 Secrets for Customer Acquisition
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Don't let your Facebook ads go unnoticed! Discover 5 secrets to optimize advertising images from dimensions and colors to psychology, helping you capture attention and drive conversions.

Image SEO Optimization: Complete Guide to Boost Rankings & Traffic
Image SEO Optimization: Complete Guide to Boost Rankings & Traffic
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Don't let images slow down your website and cost you traffic! Discover our 10-step image optimization checklist for sustainable ranking improvement and attracting users from Google Images.

Essential Mathematics Tools for Everyday Calculations
Essential Mathematics Tools for Everyday Calculations
June 15, 2025

Discover our suite of mathematics tools designed to help you calculate area, perimeter, and other geometric properties with ease and accuracy.