OpusDesk Hub What this tool does
Choose a short extract from English text. The tool ranks sentences by repeated non-stop words, selects up to the requested count and restores source order. It does not understand meaning, verify facts or write a new summary. Review the extract against the original.
How to use Text Summarizer
- Paste English source text. Use text you can compare with the result. The application accepts up to 100,000 characters. Abbreviations and unusual punctuation can cause imperfect sentence boundaries.
- Choose an extract length. Select 3, 6 or 10 sentences, then press Summarize. If the source has fewer sentences, the result contains fewer. Repeated sentences are treated as separate occurrences within the selected limit.
- Review before using. Compare the selected sentences with the source. Restore missing context or attribution yourself. Editing the source or changing the length clears the previous result.
How this tool works
Scores sentences using average frequency of non-stop words, selects sentence occurrences by index and restores original order.
- Engine: English-oriented extractive sentence ranking
- Supported input: English source text
- Output: Original sentences in source order
Worked example
Input: Cats sleep. Dogs bark. Cats purr. Select 2 sentences in the logic helper.
Output: Cats sleep. Cats purr.
Limits, edge cases, and troubleshooting
Build a starting extract, then compare it to the complete source and repair omitted context yourself.
- 100,000-character application guardrail; interface selects up to 3, 6 or 10 sentences.
- No meaning analysis, fact checking or rewriting.
- Abbreviations and line breaks can split sentences; other languages are not supported.
When to use another workflow
Write an editorial summary when meaning, attribution or a faithful balance of arguments matters.
| Option | Best for | Trade-off |
|---|---|---|
| This browser tool | Quick, private, one-off work | Limited by browser memory and the documented feature set |
| Desktop or command-line tool | Batch jobs and repeatable automation | Requires installation and setup |
Verification
Implementation checked on 2026-09-27. The displayed example and documented limits were checked with synthetic inputs. Unsupported input and the distinction between an estimate and a verified result were reviewed.
Supported inputs and limits
- English source text
- 100,000-character application guardrail; interface selects up to 3, 6 or 10 sentences.
- No meaning analysis, fact checking or rewriting.
- Abbreviations and line breaks can split sentences; other languages are not supported.
Frequently asked questions
Does this rewrite or understand the source?
No. It selects existing sentences using English-oriented word-frequency rules. Important qualifications and context may be omitted. It cannot assess whether an extract accurately represents the author’s meaning.
Can I use other languages or abbreviations?
The scoring rules are intended for English, not multilingual summarization. Non-Latin scripts are rejected. Periods, question marks, exclamation marks and line breaks are treated as boundaries, so abbreviations can split incorrectly.
Is information sent to a server?
Tool inputs are processed in this browser. This product does not use analytics or send your input to an external API. Clicking an external website link still visits that website.