Summary compiled from accessible QuillBot pages (quillbot.com, quillbot.com/tools, quillbot.com/premium, quillbot.com/about, quillbot.com/upgrade, and the Help Center). The try.quillbot.com subdomain returned a 404 "Content Not Found" response during the crawl, so no content was extracted from that exact URL. QuillBot positions itself as an AI writing assistant offering both free tools and a Premium paid tier with expanded limits and team features. Key capabilities include paraphrasing (sentence rewriter, word changer), grammar checking, AI Chat/AI Search with cited web results, citation generation (APA/MLA/Chicago), plagiarism checking, reading/summarization tools, speech-to-text and text-to-speech workflows, image tools (AI generation, background removal, image-to-text), and various utility tools (QR code, invisible character tool, presentation maker). Premium is marketed as "Write Without Limits" and emphasizes unlimited paraphrasing, longer summarization limits, advanced grammar/tone features, faster processing, higher document storage limits, AI content detection/originality tools, and team management/centralized billing. Pricing examples shown on the site: Annual $99.95 billed yearly (equivalent to $8.33/month), Monthly $19.95/month; a 3-day money-back guarantee for eligible new users is noted. Company/about info (from the site): started ~2017 as a dorm-room paraphraser by Anil Jason with Rohan Gupta and David Silin; lists Andrew Grauer as CEO; cites large usage metrics (billions of paraphraser inputs annually, tens of millions monthly users). Crawl notes: try.quillbot.com did not resolve; crawler hit a validation limit when extracting every sub-feature of the Premium plan, so primary features were summarized rather than enumerating every sub-feature. Next steps suggested: confirm or provide the exact try.quillbot.com content if required, or request additional granular extraction (specific pages or validated feature formatting).