Focused tools that solve one writing task well and show the next human step.
Practical AI, clearly explained
Understand writing. Improve it. Keep control.
Free tools for writing-signal review, natural rewriting, summaries, translation and careful editing—with transparent limits and privacy-conscious design.
Choose a tool for the decision in front of you
Terbit separates common writing tasks so each page can explain the expected output, the evidence a user should check and the limits that matter. A detector reviews uncertain patterns; a humanizer improves clarity; a summarizer compresses supplied material; a paraphraser changes expression; a grammar checker corrects language; and a translator changes language and register. None of these tools removes the need to verify important work.
Writing signal reviewAI Detector
Review writing for signals commonly associated with AI-generated text, with transparent limitations and practical feedback.
Natural rewritingAI HumanizerRewrite stiff or generic wording into clear, natural prose while preserving the original meaning.
Fast understandingAI SummarizerTurn long text into a concise, faithful summary with the important facts preserved.
Meaning-preserving rewriteAI ParaphraserExpress the same meaning in fresh, clear language without inventing new claims.
Careful editingGrammar CheckerCorrect grammar, punctuation and clarity while preserving your intended voice.
Context-aware translationAI TranslatorTranslate text with attention to tone, context and meaning.
Private browser toolWord CounterCount words, characters, sentences and estimated reading time privately in your browser.
Responsible originality checkOriginality ReviewReview wording for quotation, attribution and originality risks. This is not a database-backed plagiarism verdict.
Probabilities are never presented as proof, and draft translations are not represented as certified work.
No account is required. Browser-only counting stays local, while AI requests are processed for the requested result.
What makes the Terbit approach different
Many AI pages provide a box and a result without enough context to judge whether that result is useful. Terbit publishes the workflow around each tool: who it is for, a worked example, how the task is approached, common failure modes and questions a responsible reviewer should ask.
We do not market AI detection as proof, originality review as a proprietary plagiarism database, or rewriting as a way to conceal prohibited assistance. The aim is to save time while keeping accountability with the person who understands the source and the decision.
Latest first-party test
On 28 October 2026 we ran five controlled checks on the live service. The public log records the exact inputs, observed outputs, response times, pass criteria and limitations—including where a fluent result still needs editorial review.
Inspect the live verification log
Evidence you can inspect
Our research and testing hub documents how we evaluate detection results, why a humanized sentence is stronger and how to select the right writing tool. Each note separates recorded observations from illustrative examples and states what the test cannot establish.
- How we evaluate AI-detection results
- Humanizer before-and-after review
- Selecting the right AI writing tool
Before you use a result
- Remove confidential or personal information.
- Choose the tool that matches the task.
- Compare the output with the original text and primary sources.
- Apply qualified human review when the decision affects grades, employment, health, law, money or reputation.