Tool Workspace
Enter content, process with one click
1Introduction
The String Length Calculator is an online text statistics tool. Enter any content and instantly get both the character count and byte count. The character count includes spaces and line breaks, while the byte count reflects the storage size, with results updating in real time. It supports mixed Chinese-English content, counting characters by Unicode and bytes by UTF-8: English characters take 1 byte while Chinese and other multi-byte characters take 3 bytes. No button click needed - results appear as you type, ideal for quickly checking text length. When programming, use it to validate user input length limits; when editing copy, quickly judge platform word-count requirements; for daily material handling, it is also convenient for verifying character counts - practical with no usage threshold.
2How to Use
Enter text
Paste or type the string you want to count in the input box.
View the result
The character count and byte count update in real time. No button click is needed.
Adjust and verify
Edit the text to observe the changes and easily verify length limits.
3FAQ
How to calculate string length?
Simply input or paste text, and the tool automatically counts the total number of characters (including spaces) and bytes (in UTF-8 encoding, Chinese characters take 3 bytes, English takes 1 byte).
What characters are supported for string length calculation?
All Unicode characters are supported, including Chinese, English, numbers, punctuation, emojis, etc.
