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Free online tools
for everyone

Useful tools for developers, office workers, marketers and everyone. Use now, no installation required.

45 tools
In-browser processing

Formatters

Format and beautify your source code (JSON, HTML, SQL, XML)

JSON Formatter

Format, beautify and minify JSON online. Fast JSON syntax checking.

HTML Formatter

Beautify and format HTML code. Customize indentation and encoding.

SQL Formatter

Professional SQL statement formatting. Supports MySQL, Postgres, SQL Server.

XML Formatter

Format and beautify XML structure. Clear hierarchical display.

Converters

Convert data between formats: XML, JSON, CSV, YAML

XML to JSON Converter

Convert XML to JSON online. Customize attribute prefixes and encoding.

JSON to XML Converter

Convert JSON to XML online. Customize root element name.

CSV to XML Converter

Convert CSV to XML with custom templates. Supports delimiter and encoding.

CSV to JSON Converter

Convert CSV to JSON online. Supports custom headers and delimiters.

YAML to JSON Converter

Convert YAML to JSON online. Supports multiple encodings.

JSON to YAML Converter

Convert JSON to YAML online. Simple and fast.

Epoch & Unix Timestamp

Convert Unix timestamp to date and vice versa. Supports multiple timezones.

Web Resources

SEO tools, website optimization, and web resources

Robots.txt Generator

Generate SEO friendly robots.txt file for your website.

Open Graph Preview

Preview how your website looks on social media (Facebook, Twitter, etc.).

Unit Converters

Convert measurement units: length, mass, temperature, speed, etc.

Length Converter

Convert length units: meters, km, miles, feet, inches, etc.

Weight Converter

Convert weight units: kg, lbs, ounces, tons, etc.

Volume Converter

Convert volume units: liters, gallons, ml, cups, etc.

Area Converter

Convert area units: sqm, sqkm, acres, hectares, etc.

Temperature Converter

Convert temperature: Celsius, Fahrenheit, Kelvin

Speed Converter

Convert speed units: km/h, mph, m/s, knots, etc.

Angle Converter

Convert angle units: degrees, radians, gradians, etc.

Bytes Converter

Convert data units: bytes, KB, MB, GB, TB, etc.

Density Converter

Convert density units: kg/m³, g/cm³, etc.

Electric Current Converter

Convert current: Ampere, mA, etc.

Energy Converter

Convert energy: Joules, calories, kWh, etc.

Force Converter

Convert force units: Newtons, dynes, etc.

Fuel Consumption Converter

Convert fuel usage: L/100km, MPG, etc.

Mass Converter

Convert mass units: kg, grams, tons, carats, etc.

Power Converter

Convert power units: Watts, HP, kW, etc.

Pressure Converter

Convert pressure units: Pascals, bars, etc.

Time Converter

Convert time units: seconds, minutes, hours, etc.

Astronomical Converter

Convert astronomical units: AU, light years, etc.

Frequency Converter

Convert frequency: Hz, kHz, MHz, etc.

Developer Tools

Encoder/Decoder, data conversion, and utilities for developers

Base64 Encoder/Decoder

Encode and decode Base64 online. Text and URL-safe support.

MD5 Hash Generator

Generate MD5 hash from text quickly and securely.

UUID Generator

Quickly generate random UUID v4. Batch support.

Text Tools

Word count, text conversion, and fast text processing

Word & Character Counter

Count words, characters, sentences, and paragraphs. Reading time estimate.

Utilities

Password generator, unit converters, and daily tools

Password Generator

Generate strong, random and secure passwords.

Percentage Calculator

Quick percentage calculations: X% of Y, growth, discounts, and tips.

QR Code

Generate QR codes for URLs, text, WiFi, and more

Professional QR Code Generator

Advanced QR Code Creator: Supports VietQR (Banking), PayPal, WiFi, vCard, Events, and Bitcoin. Fully customize colors, styles, logos, and premium frames.

Image Tools

Compress, crop, resize and convert image formats online

Image Compressor

Compress PNG, JPG, WebP images without losing quality. Optimized for web.

Image Resizer

Change width and height of images. Mantain aspect ratio.

JPG to PNG Converter

Convert JPG/JPEG images to high-quality PNG.

PNG to WebP Converter

Convert PNG to WebP for better performance and SEO.

Image to Base64

Encode images into Base64 strings for CSS/HTML/JSON.

AI Tools

AI-powered tools: Text-to-Speech, image recognition, content generation

Text to Speech (TTS)

Convert text to natural speech with multiple language options and AI voice artists.

More tools coming soon!

PDF Tools, Data Converter, SEO Checker and over 50 other tools are under development.

Bookmark to come back later!