What platforms does Dechecker AI support?

Dechecker AI is available on Web App.

What are the limitations of Dechecker AI?

The site is explicit about helping users make text appear more human-written, and the rewrite feature is sold on reducing detection risk, which will not sit well with academic integrity policies. Free tier caps each check at 1000 words, limiting usefulness on long reports or full papers without a paid plan. No public detail on independent accuracy benchmarks or a published false positive study, so accuracy claims rest on the vendor's own word.

Dechecker AI

Name: Dechecker AI
Author: Dechecker AI

AI checker that flags machine-written text sentence by sentence

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What is Dechecker AI?

Dechecker AI detects AI-generated text from ChatGPT, GPT-5, Claude and Gemini, marks suspect sentences, explains flags and suggests rewrites. Uploads, bulk scans, downloadable reports and history tracking support students, editors and teams vetting mixed human and machine drafts.

Dechecker AI is a web based AI content detector built to answer one question: was this text written by a person or generated by a model? The tool accepts pasted text or uploaded documents and returns a verdict on whether the content reads as AI authored, with a probability breakdown that splits the result into AI generated and human percentages. Detection is trained on large collections of both human writing and machine output, and it targets the mainstream generators by name, including ChatGPT, GPT-5, Claude and Gemini. The analysis works at sentence level rather than treating a document as a single block. That matters in practice, because most real content is a mix: a writer drafts the opening, pastes in a generated paragraph, then edits the rest. The detector marks which sections look machine made so a reviewer can go straight to the suspect passages instead of rewriting a whole document. Beyond the verdict, each flagged sentence can be explained and given a rewrite suggestion, which is the tool's bridge from detection into editing. A downloadable report is available for documentation, and detection history is stored so past checks can be revisited. The audience is broad. Students and teachers use it for essays and assignment review, marketers and SEO writers use it for blog drafts, agencies use it to vet freelance deliverables, and businesses apply it to proposals and training material. Bulk file upload exists for anyone processing many documents at once, and the interface runs in English, Portuguese, Japanese, Chinese and French, with detection claimed across multiple languages. It sits in a crowded detector market alongside tools like GPTZero and Originality.ai, and differentiates on side features rather than on raw detection alone: plagiarism checking, a grammar checker and a free fact checker are offered as optional add-ons in the same workspace, and audio or video can be transcribed to text.

How do you use Dechecker AI?

1Open the checker and choose an input method
Go to the Dechecker homepage and paste text into the input box, or switch to the upload tab to submit a document. The word counter shows how much room remains in the current check.
2Optionally load a sample first
The homepage has example buttons for ChatGPT, Claude, Gemini and human writing. Running one shows how a verdict and probability split look before you spend a check on your own draft.
3Run the detection
Press Detect Text and wait for the scan to finish. Results return a headline AI or human conclusion plus a probability split between AI generated and human content.
4Read the sentence-level results
Work through the highlighted sections where AI patterns were found. Each flagged passage can be inspected for the reason it was marked, which helps decide whether the sentence needs editing or is a false positive.
5Apply rewrite suggestions
Use the rewrite assistance on flagged sentences to restructure phrasing and reduce machine-like patterns, then re-run the check to confirm the revision reads more naturally.
6Review past checks and reports
Detection history keeps earlier scans so you can compare versions of the same document, and completed reports can be downloaded when you need a record for a client, editor or institution.

Pros and cons

Pros

Sentence-level flagging makes mixed human and AI drafts easy to review, which is how most real content is actually producedAI
Flagged sentences come with an explanation and a rewrite suggestion, so detection leads straight into editingAI
Documented low false positive rate is the metric that matters most for anyone grading or commissioning workAI
Bulk upload and detection history suit educators and teams handling many documents over timeAI
Additional checkers (plagiarism, grammar, fact check) sit in one workspace instead of four separate subscriptionsAI

Cons

The site is explicit about helping users make text appear more human-written, and the rewrite feature is sold on reducing detection risk, which will not sit well with academic integrity policiesAI
Free tier caps each check at 1000 words, limiting usefulness on long reports or full papers without a paid planAI
No public detail on independent accuracy benchmarks or a published false positive study, so accuracy claims rest on the vendor's own wordAI
Only four localized interface languages are linked, and detection quality per language is not documentedAI
Not positioned for technical integration: no developer API or workflow automation is described on the homepageAI

How much does Dechecker AI cost?

Free trial

The homepage states that Dechecker is free to use and requires no registration, with the checker loaded directly in the browser. Paid tier limits and the terms of the free allowance are not stated on the homepage.

Learn more

Features

Core features include an AI checker with a probability breakdown, sentence-level detection of AI writing patterns, and support for content from ChatGPT, GPT-5, Claude and Gemini. Rewrite assistance explains flagged sentences and proposes human-sounding alternatives. Also listed: bulk file upload, downloadable detection reports, detection history, multi-language checking, optional plagiarism, grammar and fact check add-ons, and audio or video to text transcription.

Frequently asked questions about Dechecker AI

Does Dechecker AI offer a free trial?
The homepage states that Dechecker is free to use and requires no registration, with the checker loaded directly in the browser. Paid tier limits and the terms of the free allowance are not stated on the homepage.
How do you use Dechecker AI?
The walkthrough on this page covers 6 steps: 1. Open the checker and choose an input method 2. Optionally load a sample first 3. Run the detection 4. Read the sentence-level results 5. Apply rewrite suggestions 6. Review past checks and reports.
What platforms does Dechecker AI support?
Dechecker AI is available on Web App.
What are the limitations of Dechecker AI?
The site is explicit about helping users make text appear more human-written, and the rewrite feature is sold on reducing detection risk, which will not sit well with academic integrity policies. Free tier caps each check at 1000 words, limiting usefulness on long reports or full papers without a paid plan. No public detail on independent accuracy benchmarks or a published false positive study, so accuracy claims rest on the vendor's own word.