Best Plagiarism Checker Software for Linux of 2026

Top Main Features of Trinka AI: Advanced Grammar Check Unique Paraphrase Plagiarism Check Consistency Check Inclusive Language Checks Legal Writing Publication Readiness Checks Citation Check Proofread Word & LaTeX Files and many more features..

Grammica uses a sophisticated machine-learning algorithm to find errors in grammar, spelling, punctuation and syntax. Our English grammar checker examines your work in real-time. Our clever writing tool analyzes the context of your writing and identifies grammar errors. It gives a brief overview of the type of fault it found.

Check-Plagiarism is a state-of-the-art plagiarism checker. It helps you avoid plagiarism using robust algorithms. It also provides a handful of useful tools like an AI-based Paraphrasing Tool, Text Summarizer, Article Rewriter, & Grammar Checker.

CopyChecker is a free, browser-based productivity platform that bundles an extensive collection of content verification, document management, image search, and creative tools under one roof. Designed with simplicity and accessibility at its core, CopyChecker eliminates the need for multiple subscriptions, complex software installations, or technical know-how. CopyChecker is built around its industry-trusted Plagiarism Checker — a deep-scanning tool that cross-references submitted content against billions of web pages. Supporting the plagiarism checker is a growing ecosystem of content tools including an AI Detector that identifies ChatGPT, Claude, Gemini, and other AI-generated text with high accuracy; a Grammar Checker for error-free professional writing; an Essay Title Generator for academic and creative use. a Diff Checker for comparing text versions; and utility tools like Small Text Generator, Text to ASCII, and CSV to TXT converter. On the image side, CopyChecker offers both a standard Reverse Image Search and a more powerful AI Reverse Image Search that uses deep visual analysis to detect modified, cropped, or filtered image duplicates. The AI image tool supports face search, logo detection, text extraction (OCR), geo-location detection, and brand name identification — making it a compelling tool for photographers, marketers, and brand protection specialists. The PDF Suite bundles 12 browser-based PDF tools including an editor, converter (PDF to Word, PDF to Image, PDF to Text), OCR, digital signature, split, merge, page extraction, and metadata editor — all without watermarks, all without downloading software. The Video Downloader supports up to 4K video downloads, MP3 audio extraction, format conversion, and audio-video merging — again entirely in-browser.