New Tools

Projector Throw Distance Calculator & Screen Size Guide

Estimate projector installation distance using screen, display panel, and lens specifications

Calories Burned Calculator

Estimate calories burned based on your weight, activity, and workout duration

Online JSON to Excel Converter

Convert JSON arrays into downloadable CSV tables for easy viewing and editing in Excel

Excel to JSON Converter Online

Convert copied Excel cells into row-based JSON objects or arrays

Child Height and Weight Chart (2026)

Look up reference height and weight ranges by age and sex to understand your child’s growth and track changes over time.

Credit Card Installment Calculator

Calculate your payment per installment, fees, and total repayment for a credit card installment plan

Traditional Japanese Colors & Color Palette

Explore traditional Japanese color names and values for websites, posters, presentations, and interior color schemes.

Traditional Chinese Color Palette

Explore over 500 traditional Chinese color names, hex codes, and color schemes for design, home decor, and social media content.

Online M3U8 Player

Paste an M3U8 link and play HLS video streams instantly. No plugins needed—ideal for testing live streams and previewing video segments.

Phone Number Directory

A curated collection of frequently used phone numbers for couriers, banks, telecom providers, and government services. Search and copy in seconds—find the right number fast.

Online .htaccess to Nginx Converter

Quickly convert Apache .htaccess rewrite rules, redirects, and access control directives into Nginx config for smooth website migration.

Buddha-Speak Encoder & Decoder

Convert text to and from Buddha-Speak cipher text with an optional custom key. Designed for entertainment and lightweight obfuscation, not secure encryption.

Hepatitis B Panel (5-Test) Report Analyzer

Enter your hepatitis B panel results to quickly interpret the report, assess infection status, and check immunity.

Nonsense English Article Generator

Quickly generate English articles that look well-structured but are completely nonsensical. Ideal for placeholder text in web design, presentations, and other layout scenarios.

Women's Ideal Body Measurements Chart

Quickly estimate ideal bust, waist, and hip measurements by height and better understand your body proportions.

Online PDF Viewer

Open and read local PDF files in your browser with page navigation, fit modes, document metadata, printing, and download.

WeChat Official Account API Debugger

Build and validate common WeChat Official Account API requests in your browser, with URL, JSON preview, and copyable curl commands.

Integer Disk Partition Calculator

Enter your target partition size in GB to calculate the MB value needed for an exact whole-number display in Windows—no more 99.9 GB partitions.

HTML Table Generator

Create HTML table code visually with drag-and-drop. Merge cells, customize styles, and copy the code in one click.

CSS3 Code Generator

Visually customize CSS3 effects like border radius, shadows, and gradients. Generate code in real time and apply it to your website in seconds.