Word Count, Character Count & Reading Time Tool

Why length is a functional constraint, not a style choice

Word and character counts stop being interesting the moment they become a limit you have to obey. An essay with a stated word count, a meta description that gets truncated in search results, a social post cut off mid-sentence, a video script that runs ninety seconds long against a sixty-second slot — all of these are length problems with a measurable answer.

This tool counts as you type, so the number is always current. Nothing is submitted and nothing is uploaded: the text is processed in the browser tab, which matters when the thing you are pasting is a client's unpublished copy or anything under NDA.

How each count is defined

Different tools disagree about counts because they define the units differently. These are the definitions used here, so you can reconcile the numbers with whatever else you are using:

• Words — runs of non-whitespace characters separated by spaces, tabs or line breaks. Hyphenated compounds such as 'state-of-the-art' count as one word, which is what word processors do and what most publishers expect.
• Characters — two figures, because they are used for different limits. Total characters includes every space, tab and line break; characters without spaces excludes whitespace. Platform limits count the total, including spaces.
• Sentences — determined by terminal punctuation (. ! ?) and by trailing text without it. A draft ending mid-sentence still counts as a sentence rather than being dropped.
• Paragraphs — blocks of text separated by one or more line breaks, with empty blocks ignored.

Reading time versus speaking time

These are different numbers because reading is silent and fast while speech has to be articulated and paced. Adult silent reading runs at roughly 200–250 words per minute; presenting or narrating a video sits closer to 130–150 words per minute, because the delivery needs pauses, emphasis and breathing room.

The gap matters when you are adapting the same content. A 1,000-word article that reads comfortably in four to five minutes becomes a seven to eight minute narration — which changes whether it fits the slot you had in mind. If you write by reading time and record by speaking time, you will always overrun.

Both figures here are averages. Technical material, dense argument and text read aloud to an audience all run slower; light prose and skim-reading run faster. Treat the output as a planning estimate, not a stopwatch.

Platform limits, and how they bite

Each platform publishes its own ceiling, and the interesting failures happen just past it: the meta description truncated with an ellipsis, the post split across two, the caption cut before the call to action.

• X / Twitter — 280 characters for standard accounts, with longer limits available on paid tiers.
• Meta descriptions — the practical target is roughly 150–160 characters; search engines truncate beyond that, and the cut is not something you control.
• Instagram captions — around 2,200 characters before truncation.
• LinkedIn posts — around 3,000 characters.

Limits change, so verify before you build on them

Platform limits change without notice and differ by account tier, so confirm the current figure in the platform's own help centre before building a process around it.

Treat the counters above as a warning system rather than an authority. They tell you when you are approaching a ceiling; they cannot tell you what the ceiling will be next quarter.

Using the keyword density readout

The density list shows the most frequent words in your draft and what percentage of the total each represents. Two uses: checking that the subject you are writing about is actually prominent, and catching accidental repetition before a reader does.

Words of three characters or fewer are ignored, and so are a small set of common English function words — 'the', 'and', 'that' and similar. Without that filter the list is just the language's most common words in order, which tells you nothing about your draft.

What density is not is a ranking factor you should optimise. Stuffing a phrase to hit an arbitrary percentage produces worse writing without producing better rankings, and search engines have treated obvious repetition as a negative signal for years. Use it as a sanity check on emphasis, nothing more.

Where the counts can disagree with other tools

If a count here does not match your word processor, it is nearly always a definition difference rather than an error. The common causes are hyphenated words counted as two, numbers and symbols counted as words, em dashes treated as word separators, and non-breaking spaces not recognised as whitespace.

Abbreviations also break sentence detection: 'Dr. Smith arrived' counts as two sentences because the full stop after 'Dr' looks like a terminator. Every counter has this limitation; the reliable check is a read-through.