Text Analysis Tools: Which One Do You Need?
Each tool in Analysis answers a different question about text you already have — how it changed, how readable it is, whether it has a particular wordplay property, or whether a pattern matches it. They don't build on each other in a strict sequence, but a few pair naturally. Here's which one to reach for.
Quick picker
- Comparing two versions of the same text? Text Diff shows exactly what was added or removed, line by line.
- Want an at-a-glance readability score and grade level? Readability Calculator — Flesch reading ease, computed instantly.
- Need the syllable count for a word, line, or whole passage? Syllable Counter — handy on its own for poetry and lyrics, or as a building block for readability.
- Checking if a word or phrase reads the same backwards? Palindrome Checker.
- Checking if two words or phrases use exactly the same letters? Anagram Checker.
- Testing a regular expression before you use it in code? Regex Tester — see every match and capture group highlighted live.
Worked scenario: editing a draft for readability
- Paste your original and revised draft into Text Diff to see exactly what an editor — or you, on a second pass — actually changed, before deciding whether to accept it.
- Run the revised draft through the Readability Calculator to get a Flesch score and grade level for the piece as a whole.
- If one paragraph is dragging the score down, check its individual words in the Syllable Counter — syllables per word is one of the two inputs the Flesch formula actually uses (the other is sentence length), so this is usually where a low score traces back to.
- If you're also cleaning up a recurring formatting glitch across the draft — doubled spaces, stray tags — build and verify the pattern in the Regex Tester first, then run it as an actual substitution with Formatting's Find and Replace.
All analysis tools
- Text Diff Compare two texts line by line and see exactly what was added or removed.
- Readability Calculator Flesch reading ease and grade level for any text, computed instantly in your browser.
- Palindrome Checker Check if any word or phrase reads the same backwards — with punctuation and accents handled properly.
- Anagram Checker Check whether two words or phrases are anagrams of each other, letter for letter.
- Syllable Counter Count syllables per word and in total — handy for poetry, lyrics, and readability checks.
- Regex Tester Test a regular expression against your text and see every match and capture group highlighted live.
Frequently asked questions
What's the difference between the Readability Calculator and the Syllable Counter?
The Readability Calculator is a composite score — it combines average sentence length and average syllables per word into a single Flesch reading-ease number and grade level. The Syllable Counter is just one of those raw inputs, broken out on its own: syllables per word, per line, or in total, with no scoring attached. Use the Syllable Counter when you want the underlying number itself — for poetry, lyrics, or to see exactly which word is dragging a readability score down.
Does the Regex Tester replace needing to know regex?
No — it helps you verify and refine a pattern you're already building, not learn regex syntax from nothing. You still need to know roughly what you're trying to express (a digit, a range, a group to capture); what the tool gives you is instant, visible feedback on whether that expression actually matches what you intend, with every match and capture group highlighted live, so you're not testing blind against real data or code.
What's the difference between the Palindrome Checker and the Anagram Checker — aren't they both just letter-rearrangement checks?
They check different kinds of things. The Palindrome Checker looks at one piece of text and asks whether it reads the same backward as forward — a property of a single string. The Anagram Checker takes two separate pieces of text and asks whether they're built from exactly the same letters in a different order — a relationship between two strings. A palindrome can't be checked against another word; an anagram check needs two words to compare in the first place.
Can Text Diff tell me if my edits actually improved the writing?
No — it only shows what changed, not whether the change was an improvement. It's a factual comparison tool, not a quality judgment. Pair it with the Readability Calculator on both versions if you want an objective before-and-after signal on at least one dimension — whether the revision actually simplified the text, which is a narrower but genuinely measurable question.