All Tools

Compare text, code, or JSON to find differences instantly.

Supports beatify and minify for JSON, JavaScript, TypeScript, HTML, CSS, etc.

Escape and unescape text for HTML, URL, JSON, XML, Java, SQL, and more.

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

Count words, characters, sentences, and paragraphs in real-time.

Convert Markdown text to clean, valid HTML with live preview.

Inject or extract invisible watermarks into text using zero-width characters.

Generate customizable QR codes instantly for URLs, text, and contact information.

Compress and optimize images to reduce file size while maintaining quality.

Convert images between WebP, PNG, JPG, GIF, and BMP formats with high quality.

Crop and resize images to any aspect ratio with easy-to-use precision tools.

View and remove photo privacy info (EXIF/GPS) to protect your privacy.

Convert and edit colors across RGB, CMYK, HSL, HSV, and HEX formats with real-time preview.

Convert Base64 encoded strings back to image files instantly.

Convert your image files into Base64 encoded strings instantly.

Convert SVG vector graphics to high-resolution PNG images.

Convert SVG to multi-resolution ICO files for favicons and app icons.

Add text or image watermarks to your images with full customization.

Merge multiple images into a single PDF with A4 fit and local processing.

Convert between Unix timestamps (10-bit or 13-bit), datetime, and other date formats.

Check current time and dates across different cities and time zones worldwide.

Compare the difference between two dates in months, days, hours, minutes, and seconds.

Check public holidays for today across multiple countries.

Calculate your exact age in years, months, days, and even minutes.

Calculate compound interest and future value from principal, rate, and time.

Compute the real APR of an amortized loan from principal, payment, and number of periods.

Calculate the annualized return, CAGR, and ROI for your investments.

Calculate monthly mortgage payments with customizable interest rates.

Calculate savings from mortgage prepayment with options to shorten term or reduce monthly payment.

Convert monthly or annual salary into an hourly wage with custom work schedules.

China Loan Prime Rate (LPR) historical trend table.

Quickly query the geographic location, ISP, and other information of an IP address.

Parse and analyze URL structure, extract host, path, and query parameters.

Check your browser's User Agent, screen resolution, hardware capabilities, and network status.

Improve email deliverability and solve spam issues. One-click check for DMARC, SPF, and DKIM records.

Generate WiFi connection QR codes to connect instantly without typing passwords.

Universal online tool for Base64 and URL encoding/decoding with maximum security.

Generate MD5, SHA-256, and SHA-512 hashes locally with high performance.

Generate HMAC signatures with SHA-1, SHA-256, SHA-384, and SHA-512 algorithms.

Calculate signatures for API parameters from Query String or JSON with automatic sorting.

Convert length, weight, temperature, speed, area, and volume units instantly.

Calculate your Body Mass Index (BMI) and category based on height and weight.

A quick reference for HTTP status codes.

Commonly used Git commands and their usage.

Essential Linux commands for system administration and daily tasks.

Quick reference for country codes, phone codes, and provinces/states.

Quick reference for world currency codes and symbols.