Character Frequency Analyzer
Character Frequency Analyzer is a free online Text Tools tool that count characters, words, line lengths or n-grams and compute Shannon entropy instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
How to use: Character Frequency Analyzer →
Description
Count characters, words, line lengths or n-grams and compute Shannon entropy.
- Because everything is computed client-side, Character Frequency Analyzer is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Character Frequency Analyzer takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Examples
These ready-made examples show typical inputs and the exact output Character Frequency Analyzer produces for them.
the quick brown fox jumps over the lazy dog
A pangram: every letter appears, so the entropy is close to the maximum for English text.
Use cases
Common situations where Character Frequency Analyzer helps:
- Count characters, words, line lengths or n-grams and compute Shannon entropy.
- Because everything is computed client-side, Character Frequency Analyzer is safe to use with sensitive data such as API keys, tokens or private logs.
FAQ
What is Character Frequency Analyzer?
Character Frequency Analyzer count characters, words, line lengths or n-grams and compute Shannon entropy. It runs entirely in your browser, so your data stays private.
Is Character Frequency Analyzer free to use?
Yes. Character Frequency Analyzer is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.