Choose AI + Similarity or a lower-cost Similarity-only check. Upload once, follow live progress, and download every report included in your selection.
Signup is required before the first upload. Returning users must log in and have enough server-verified credits for their selected report to submit documents, see progress, or download reports.
Uploads are disabled for anonymous visitors.
Register with zero starting credits, redeem a valid code, then submit and track documents.
Create accountLog in to see only your active documents and reports before they expire.
Log in securelyTrueSimilarity brings the important parts of document checking into one calm, understandable experience.
Run Similarity only for 0.5 credit, or receive both Similarity and AI-content reports for 1 credit.
Uploads pass through a protected server endpoint. The integration token never enters page code or browser storage.
Follow validation and analysis without guessing. The page refreshes status automatically every five seconds.
Download every report included in your selected check from the private dashboard during the five-day availability window.
Your secure dashboard keeps every stage organised under your account.
Add credits with a valid one-time code, then select an eligible English document.
Your private dashboard refreshes processing status automatically.
Access the Similarity report and, when selected, the separate AI-content report after analysis completes.
TrueSimilarity limits the information exposed in the browser, validates incoming files, and routes provider requests through its server.
The current checker accepts PDF, DOCX and readable TXT files up to 25 MB. Image-only scans, damaged files, legacy formats and documents with fewer than 20 readable words may be rejected.
Processing time varies with service demand. The live status above shows current availability, and your dashboard refreshes active checks every five seconds.
Uploads pause automatically when the upstream service reports maintenance or unavailability. No file is submitted until the service accepts uploads again.
New accounts start with zero credits. AI + Similarity costs 1 credit and Similarity only costs 0.5 credit. The exact cost is consumed only after the analysis provider accepts the document submission.
No. Email addresses are normalized and each signup is protected by a per-email database lock, so simultaneous requests cannot create duplicate accounts.
When the completed AI report suppresses an exact low score, the dashboard shows <20% instead of leaving the result blank. If the provider returns an exact percentage, that exact value is shown.
Each check appears only in the submitting user's dashboard for five days. Its local record and protected original-document copy are automatically deleted after expiry, so download the original and reports in time.
No. TrueSimilarity is an independent service and is not affiliated with, endorsed by, or an official product of Turnitin or any university.