Time Calculator
Date Calculator
Calendar Calculator
Health Calculator
Money Calculator
Biorhythm Calculator
Convert character
Unit Converter
Average Calculator
Map Calculator
Random Number Calculator
Permutation and Combination Calculator
Probability Calculator
Area Calculator
Volume Calculator
Triangle Calculator
Decimal and Fraction Calculator
Calculate divisor and multiple
Ratio Calculator
Calculate progression
Base Converter
The input string is converted to uppercase <--> lowercase.
When the character string to be converted is input, the conversion form is selected, and "Convert" button is clicked, it is converted by the selected conversion form and it is displayed.
- Front page
- Convert character
- Convert uppercase <--> lowercase
Convert uppercase <--> lowercase
Case conversion
Converts the case of input text.
In addition to the English alphabet, French also converts accented characters such as "é" and "à".
Uppercase → Lowercase
Converts all uppercase and lowercase characters in the input text to uppercase.
Lowercase → Uppercase
Converts all uppercase and lowercase characters in the input text to lowercase.
Capitalize only the first word
Converts all initial letters of words in the input text to upper case. Non-initial letters are converted to lower case.
- ･URL Encode
- ･URL Decode
- ･Convert the character into the character entity reference
- ･Convert the character entity reference into the character.
- ･Convert character to numeric character reference
- ･Convert numeric character reference to character
- ･Count the number of characters
- ･Convert full-width <--> half-width
- ･Converte to Hiragana <--> Katakana
- ･Convert uppercase <--> lowercase
- ･Convert space
- ･Convert new line
Simple Calculator
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