A free online tool to detect plagiarism by comparing text against billions of web pages. It supports multiple file formats, provides sentence-wise results with source links, and offers paid plans for higher word counts and API access.
SmallSEOTools Plagiarism Checker is a widely-used online tool designed for students, teachers, writers, and SEO professionals to ensure content originality. It operates on a freemium model, offering a free version that allows users to check up to 1,000 words per search by pasting text or uploading files from local storage, Google Drive, or Dropbox. The tool compares submitted text against billions of web pages, providing a detailed report with percentage scores for unique and plagiarized content, and highlights matching sentences with links to the original sources. For users with more extensive needs, SmallSEOTools offers paid monthly and annual subscription plans that increase the word count limits significantly and provide access to a plagiarism checker API and a WordPress plugin. An enterprise-level plan with custom pricing is also available for larger organizations and learning management systems (LMS). The platform supports over 25 languages and is accessible from any web browser without requiring software installation.
Access the web-based tool from any device with an internet connection, including desktops and mobile devices.
Upload and check documents in various formats, including .doc, .docx, .txt, .tex, .rtf, .odt, and .pdf.
Check for plagiarism directly from a website URL without needing to copy and paste the text.
Identifies the exact web pages where the text matches and provides a list of sources for verification.
Generate and download a detailed plagiarism report which can be shared or kept for records.
Displays results sentence-by-sentence, highlighting unique content in green and plagiarized content in red.
Check content directly from cloud storage services like Google Drive and Dropbox.
Check documents for plagiarism in over 25 languages, including English, Spanish, French, and German.
Offers a one-click option to take plagiarized content to a separate paraphrasing tool for rewriting.
Shows the percentage of unique and plagiarized content in the document.
Provides a full document view with plagiarized sections highlighted in red for easy identification.
Allows users to compare a plagiarized line with matching content on Google directly from the results page.
Provides an option to exclude certain URLs from the plagiarism check to avoid matching against known sources.
Offers an API for developers to integrate plagiarism checking functionality into their own applications.
A dedicated plugin is available for checking content within the WordPress environment.
Utilizes artificial intelligence to scan and compare text against a vast database of online content.
Billed monthly.
Source: vendor pricing page →Contact sales for custom pricing.
Source: vendor pricing page →Billed yearly. Equivalent to $7.84/month.
Source: vendor pricing page →Be the first to drop a review
MarketingBlocks is a marketing software/platform from SaaSBox that focuses on creating marketing materials. It includes…
Katteb is a content management platform from Katteb that provides tools for creating and managing…
HeyGen is an AI-driven software platform from HeyGen, Inc. that focuses on text-to-video generation. It…
Spot something wrong or outdated?
Suggest a correction — a reviewer verifies every change.
A free online tool to detect plagiarism by comparing text against billions of web pages. It supports multiple file formats, provides sentence-wise results with source links, and offers paid plans for higher word counts and API access.
Does Plagiarism Checker have an in-app market place?
Yes
How many Mini-Apps in the marketplace?
0
Billed monthly.
Source: vendor pricing page →Contact sales for custom pricing.
Source: vendor pricing page →Billed yearly. Equivalent to $7.84/month.
Source: vendor pricing page →USD
Email Address
support@smallseotools.comDocumentation
https://smallseotools.com/api-documentation/MarketingBlocks is a marketing software/platform from SaaSBox that focuses on creating marketing materials. It includes…
Katteb is a content management platform from Katteb that provides tools for creating and managing…
HeyGen is an AI-driven software platform from HeyGen, Inc. that focuses on text-to-video generation. It…