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Chinese Idiom Solitaire
Chinese Idiom Solitaire Online, a complete collection of idioms solitaire. The idiom database covers tens of thousands of idioms.

Morse Code Convert Online
Morse Code Convert Online supports encoding text (including Chinese) into Morse code and decoding Morse code into ordinary text. Text supports all unicdoe characters.

Stopwatch Online
Online stopwatch timer supports online stopwatch timing, millisecond time, pause, mark and download functions.

Random Number Generator Online
The online random number generator supports the generation of random integer values and random floating-point values. When unique is specified, all generated random numbers are not repeated.

Countdown Timer Online
Countdown timer online supports online countdown. After the countdown, you can set the sound of playing alarm.

Make Basic Sankey Chart Online
Make sankey charts online for free. Make sankey chart online, support filling in data online or uploading excel files, and support exporting the generated sankey chart to JPG, PNG and PDF files.

Image Compression Online
The Image Compression Online tool supports online compression of common image formats such as PNG, JPG, JPEG, GIF, BMP,WBMP, etc. You can set the file size of the compressed picture and the pixel size of the compressed picture through parameter settings, and you can export the compressed picture for free.

Make Basic Bar Chart Online
Make bar charts online for free. Make bar chart online, support filling in data online or uploading excel files, and support exporting the generated bar chart to JPG, PNG and PDF files.

Python 3 Documentation
Python 3 document online provides Python 3 document online viewing and Python 3 API online viewing.

Random Time Generator Online
Online random time generator, which supports online generation of random time, increasing time and decreasing time. You can specify the time format of the generated results, the generated quantity, and whether duplicates are allowed.

Currency Converter
The Currency Converter tool adopts the latest exchange rate to calculate the exchange rate of RMB into U.S. dollars, euros, Japanese yen and other currencies.

Mathematical Formula Drawing Chart Online
The online mathematical formula drawing chart tool supports the input of any mathematical formula, and then the input formula is drawn into a chart. Formulas support trigonometric functions, exponents, logarithms, polynomials, addition, subtraction, multiplication and division, etc.
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Leap Year Calculator
A leap year calculator that calculates whether a certain year is a normal year or a leap year online, and can also calculate all leap years within a certain time range. This tool supports leap year calculations in BC.

Emoticons Collection Online
Online emoticons collection, displaying cute and interesting text expression emoji, supporting one-click copying.

Python Source Code Compile and Decompile Online
The online python source file compile and decompile tool supports the compilation of python source files to python pyc files, and the decompilation of python pyc files to python source files.

Rice Cooker Appointment Time Calculator
The online rice cooker reservation time calculator calculates the reservation waiting time according to the meal time and cooking time, or calculates the meal time according to the waiting time and cooking time.

Fuel Consumption Calculator Online
The online fuel consumption calculator provides functions such as fuel consumption calculation per hundred kilometers, fuel consumption calculation per unit mileage, and cost calculation per unit mileage.

Fraction Calculator Online
The online fraction calculator supports the addition, subtraction, multiplication and division of fractions. Fraction to decimal, decimal to fraction calculation. Support fraction reduction calculation.

Number Process Online
Online number processing tool, which supports adding thousands separators, Scientific notation conversion, number to words, number to Chinese words and other functions, the tool supports batch processing.

English Date Format Online
The online English date formatting tool supports American English and British English date formatting.

Text to ASCII Art Generator Online
Online generation of ASCII Art tool, input English letters and numbers, select fonts, set parameters, and generate corresponding ASCII WordArt.

HTTP Basic Authentication Encrypt and Decrypt Online
Online HTTP Basic Authentication encryption and decryption tool, input user name and password, and generate basic authentication encryption request header. Enter the basic authentication encryption string to decrypt the user name and password.