New Tools

Cron Expression Generator

Generate Cron expressions online and visually configure scheduled tasks.

Xingkai Calligraphy Copybook Generator

Generate printable Xingkai pen calligraphy copybooks online. Features 3,500 common Chinese characters to boost your handwriting practice.

2FA Code Generator & Validator

Generate and verify two-factor authentication (2FA) codes online to secure your accounts.

Blank Pinyin Practice Sheet Generator

Free Pinyin practice sheet generator. Create custom printable Tianzige writing templates in one click.

English Handwriting Worksheet Generator

Generate printable English vocabulary handwriting worksheets with customizable content and formatting.

Alphabet Tracing Worksheet Generator

Generate printable 26-letter alphabet tracing worksheets online to help kids and beginners practice proper handwriting.

Daily Chinese Handwriting Worksheet Generator

Free generator for 1st to 6th grade daily Chinese handwriting worksheets. Supports custom content with instant PDF downloads for printing.

Pinyin Worksheet Generator

Generate printable Pinyin practice worksheets for initials and finals to improve handwriting and stroke order.

Clerical Script Copybook Generator

Generate free printable Clerical Script (Lishu) calligraphy copybooks in PDF format for 3,500 common Chinese characters.

Running Script Copybook Generator

Generate printable Chinese running script copybooks featuring 3,500 common characters to enhance your hard pen calligraphy practice.

Regular Script Practice Sheet Generator

Generate free, printable regular script practice sheets with customizable text and grid formats.

Number Tracing Worksheet Generator

Generate free 1-10 number tracing worksheets to help kids master early writing skills.

Subtraction Chart Generator (Up to 10)

Quickly generate a subtraction chart up to 10. Supports printing and PDF downloads.

Voltage Unit Converter

Quickly convert voltage units like volts, millivolts, and kilovolts online with support for batch calculations.

Addition Table Up to 10

Provides an addition table up to 10 in image format, available for printable download.

Printable Multiplication Table

Generate and download a free high-resolution 1-9 multiplication table chart for easy printing.

Math Facts Generator

Automatically generate elementary math practice problems for addition, subtraction, multiplication, and division. Supports mixed calculations up to 10, 20, and 100.

Torque Unit Converter

Quickly and accurately convert between different torque units, including common units like Newton-meters and foot-pounds.

Resistor, Capacitor & Inductor Unit Converter

Online unit conversion tool for resistors, capacitors, and inductors.

RMB Unit Converter

Free online RMB unit converter supporting mutual conversions between Yuan, Jiao, and Fen.