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QuillBot is an AI writing suite for paraphrasing, grammar checking, summarizing, translation, and citation support. It has free and Premium plans; pricing depends on the selected plan, billing term, and region.
PaperRater was an online AI-assisted writing analysis service for grammar, spelling, and plagiarism checks. The operator announced that the service would retire on August 31, 2026; it is no longer available as an active tool.
AI writing coach listing for improving grammar, clarity and sentence construction. Current product access and supported languages should be confirmed with the provider.
Grammar and writing checker hosted as a small web app. Verify current deployment and data handling before entering private text.
Grammar and spelling correction service for reviewing written text. Check current feature set and privacy policy.
Trinka is an AI writing assistant for academic, technical and professional writing, offering grammar, style, consistency and publication-readiness checks. A free tier and paid subscriptions are available.
Online grammar and writing checker for identifying language errors and suggesting corrections. Review edits for meaning and verify current supported languages and privacy terms.
Online grammar and writing checker for identifying errors and improving clarity. Verify privacy policy before entering confidential text.
Paraphrase Tool offers AI-assisted rewriting and paraphrasing, alongside writing utilities such as grammar correction and summarization. It provides free limited tools and paid options for expanded use.
Online writing utility for rewriting, summarizing and improving text.
AI content creation workspace for planning, writing and editing marketing content.
Gramara is an AI writing assistant for improving English grammar, clarity and tone. It can flag errors, suggest rewrites and help make text more fluent. The service is presented as free, though current product availability and feature scope may vary.