FREEDOM251

Freedom251 › AI Writing Tools

Smodin Plagiarism Checker

Free plan AndroidAPIExtensioniPhoneWeb

Visit Smodin Plagiarism Checker Alternatives Pricing

Smodin Plagiarism Checker's own site

What Smodin Plagiarism Checker is

Smodin Plagiarism Checker compares submitted text with web and academic material, then provides similarity scores, links to matched sources, and highlighted passages for review. Text can be pasted into the browser-based checker or submitted as a .txt, .doc, .docx, or .pdf file. A scan requires at least 1,000 characters. Smodin says the checker scans more than 1 billion sources and uses keyword and phrase matching against online pages, as well as comparisons with submitted documents. Its report helps users locate matches and review sources for citation. Smodin also offers a plagiarism and auto-citation API with pay-as-you-go pricing; its services page says the API is available in 12 languages. The service lists Android, iOS, web, and extension platforms, including a Chrome extension. A free plan is available. Starter costs $10 a month billed annually, and Premium costs $16 a month billed annually. Smodin lists support by email and phone.

Who it suits

The checker is presented for students, academics, teachers, educators, writers, researchers, journalists, professionals, and businesses. Its API may also suit developers seeking plagiarism and auto-citation services.

What it does well

  • Checks against web and academic sources.
  • Reports similarity scores, source links, and highlighted sections.
  • Accepts pasted text and four document formats.
  • A free plan is available.
  • API is available in 12 languages.

What to know first

  • Scans require at least 1,000 characters.
  • Smodin says internet security cannot be guaranteed at 100%.
  • Personal-information deletion requires a request through settings or support.

Limits

A scan requires at least 1,000 characters. Starter costs $10 a month billed annually; Premium costs $16 a month billed annually and includes advanced scans, unlimited writing output, and the Chrome Extension.

Plans

PlanBilled and limitsPrice
Starterannually · Standard plagiarism checker · limited writing output · email support$10 a month
Premiumannually · Advanced plagiarism checker · unlimited writing output · 24/7 priority support · Chrome extension$16 a month

As smodin.io lists them, read 30 Sept 2026. The maker's own page has the final word.

Getting started

  1. Visit https://smodin.io/plagiarism-checker.
  2. Open the checker in a browser, or use a listed Android, iOS, or extension option.
  3. Paste text or upload a .txt, .doc, .docx, or .pdf file.
  4. Provide at least 1,000 characters to begin a scan.
  5. Choose the free plan or a paid plan; developers can use the API with pay-as-you-go pricing.

Verdict

Smodin provides source matches and highlighted text to help users review possible overlap. The minimum input is 1,000 characters, and the free plan offers an option before considering annual-billed paid plans.

Questions

Is Smodin Plagiarism Checker free?

Yes. Smodin lists a free plan. Paid plans start at $10 a month billed annually.

What does the checker compare?

It compares submitted text with web and academic sources. Smodin says it scans more than 1 billion sources.

What file types can I scan?

You can paste text or upload .txt, .doc, .docx, and .pdf files. The checker requires at least 1,000 characters to start a scan.

Which platforms are available?

Smodin lists Android, API, extension, iOS, and web platforms. The checker is offered as a browser-based tool.

What are the paid plans?

Starter is $10 a month billed annually and includes plagiarism checks against web and academic sources and all AI tools. Premium is $16 a month billed annually and includes advanced scans, unlimited writing output, and the Chrome Extension.

Does Smodin offer an API?

Yes. Its plagiarism and auto-citation API has pay-as-you-go pricing and is available in 12 languages.

Facts from Smodin Plagiarism Checker's own pages

API languages
The services page says the plagiarism and auto-citation API is available in 12 languages. · smodin.io, 30 Sept 2026
Data deletion
Users may request personal-information deletion through account settings or by contacting support. · smodin.io, 30 Sept 2026
Detection methods
Smodin describes keyword and phrase matching against online pages and comparison against submitted documents. · smodin.io, 30 Sept 2026
Detection report
Reports include similarity scores, matched source links, and highlighted sections to review and cite. · smodin.io, 30 Sept 2026
Free plan
Yes · smodin.io, 21 Sept 2026
Integrations
Smodin offers a plagiarism and auto-citation API with pay-as-you-go pricing and documentation. · smodin.io, 30 Sept 2026
Minimum input
The checker page requires at least 1,000 characters to begin a scan. · smodin.io, 30 Sept 2026
Operating model
The checker is offered as a browser-based tool, and Smodin also lists a Chrome extension and developer APIs among its offerings. · smodin.io, 30 Sept 2026
Purpose
The plagiarism checker compares text against web and academic sources and returns similarity scores, matched sources, and highlighted sections. · smodin.io, 30 Sept 2026
Security
Smodin says it uses security measures and technologies to protect information from unauthorized disclosure, access, or use, while noting that internet security cannot be guaranteed at 100%. · smodin.io, 30 Sept 2026
Source coverage
Smodin says the checker scans more than 1 billion sources. · smodin.io, 30 Sept 2026
Support
Smodin lists support by email and phone, and its help center asks users to include a screenshot and login email when requesting help. · smodin.io, 30 Sept 2026
Supported uploads
The checker accepts pasted text and .txt, .doc, .docx, and .pdf files. · smodin.io, 30 Sept 2026
Who it is for
The checker is presented for students, academics, teachers, educators, writers, researchers, journalists, professionals, and businesses. · smodin.io, 30 Sept 2026

Where Smodin Plagiarism Checker stands on Freedom251

Look at these too