Frequency Analyzer

How to use it

1. Paste your text - English, Chinese or a mix of both - into the input panel.
2. Choose the unit: Characters counts every letter and character, Words counts English words plus Chinese single characters and common two-character pairs, and N-grams counts 2-grams or 3-grams.
3. Set Top N to limit the table, and toggle Ignore case or Skip spaces and punctuation.
4. Click Analyze. The table shows rank, item, count and share; the cloud below scales font size by frequency.

Common use cases

• Spotting repeated filler words in a draft before editing.
• Comparing keyword density between two landing pages.
• Finding common Chinese two-character terms in a paragraph without a segmenter.
• Building a quick character-frequency profile for a cipher or puzzle.

Why it stays private

Counting runs in your browser with plain JavaScript maps. Manuscripts, customer messages and internal documents never leave your device.

FAQ

Q: How are Chinese words counted? A: There is no dictionary segmentation. Chinese runs are counted per character, and in Words mode each adjacent pair of characters is also counted, which surfaces common two-character terms.

Q: What counts as a word in English? A: A run of letters or digits, with an apostrophe or hyphen kept inside the word, so state-of-the-art is one token.

Q: Does the N-gram mode mix languages? A: N-grams are built inside each run: characters for Chinese runs, whole words for English runs, so new york becomes one 2-gram.