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Quillbot

AI writing tools: paraphraser, grammar checker, AI detector, summarizer and more

Freemium Web iOS Android Mac Windows Böngészőbővítmény

Quillbot (earlier written QuillBot) is a set of AI tools for writing and creating. It started in 2017 as a paraphrasing tool and is a business of Learneo, Inc. (formerly Course Hero). The Paraphraser rewrites text in 9 built-in modes, such as Fluency, Formal, Academic and Humanize, plus custom modes. Other tools include a Grammar Checker, AI Detector, AI Humanizer, Plagiarism Checker, Summarizer, Translator (40+ languages), Citation Generator, AI Chat, an image generator, design templates and PDF tools.

It runs on quillbot.com in the browser, as a Chrome, Edge and Safari extension, as a Word add-in, as apps for macOS and Windows, and as a keyboard and app for iOS and Android.

Plans: Free (paraphrase up to 100 words in 2 modes, basic grammar fixes, limited AI Detector) and Premium (US$19.95 per month, US$79.95 every 6 months, or US$99.95 per year, which is US$8.33 per month). A Team Plan adds user management.

The about page states 35 million monthly active writers.

Készítve a következőhöz:

Students and academics, professionals, business owners and job seekers, as the home page names them. The Premium page also names content creators.

Felhasználási területek

Rewrite text in a different tone or style
Fix grammar, spelling and punctuation
Check a text for AI-generated content and plagiarism
Summarize long articles and documents
Translate text into other languages
Create citations, slide decks and social media images

Alternatíva ehhez:

Grammarly
Premium costs US$99.95 per year; Grammarly Pro costs US$144 per year. It also has a Summarizer and a Translator for 40+ languages.
LanguageTool
Includes an AI Detector, a Plagiarism Checker, a Summarizer and a Citation Generator, and has apps for iOS and Android.
Jasper
Has a Free plan; Jasper has only a 7-day trial of Pro, which costs $59 per month billed yearly.

Quillbot alternatívái 3

Írás és tartalom

Grammarly

AI writing assistant that checks, rewrites and drafts text in apps and websites

Freemium Web iOS Android Mac Windows Böngészőbővítmény API / CLI

Offers REST APIs for Enterprise customers, plus style guides and brand tones for teams; Quillbot lists no public API.

Írás és tartalom

Jasper

AI content platform with marketing agents for on-brand text and images

Fizetett Web Böngészőbővítmény API / CLI

Stores Brand Voice, Audiences and company Knowledge in Jasper IQ so outputs follow your brand, and offers an API and an MCP server; Quillbot lists no public API.