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Every tool in the directory (5,694). Filter by category and price, or search by what you want to do.

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76 tools for “Add-on”

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Grammarly
Grammar, tone and rewrite suggestions in almost every app you type in
Freemium · $30/moWriting6 clicks to the websiteMade in United States
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DeepL
AI translator for text, documents and live speech
FreemiumWritingMade in Germany
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QuillBot
Paraphraser with grammar checker, summarizer and citation tools
Freemium · $19.95/moWritingMade in United States
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GPTZero
AI detector that flags machine-written text for teachers and editors
FreemiumWritingMade in United States
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Immersive TranslateNew
Bilingual web, PDF, video and e-book translator
FreemiumWriting4 views6 clicks to the website
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Wordtune
Sentence rewriter that suggests clearer, shorter or more formal phrasing
Freemium · $13.99/moWritingMade in Israel
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Duden Mentor
German spelling, grammar and style checker from the Duden dictionary
FreemiumWritingMade in Germany
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Paperpal
AI writing assistant for research papers, theses and journal submissions
FreemiumWritingMade in India
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Rytr
Low-cost AI writer with templates for emails, posts and short copy
Freemium · $9/moWriting
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OpenL Translate
AI translator for text, images, documents and speech in 100+ languages
FreemiumWriting
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HyperWrite
AI writing assistant with autocomplete and research-backed drafts
Freemium · $19.99/moWritingMade in United States
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CorrectEnglish
AI grammar and writing feedback for browsers and mobile
Freemium · $24/moWriting
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FixMeBot
Correct, rewrite and translate text in 90+ languages
FreemiumWriting
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GenText
AI writing assistant for academics with real citations
Freemium · $19/moWriting
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Just RewriteNew
Rewrite, paraphrase and caption text with tone control in 100+ languages
Freemium · $10/moWriting
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Compose AI
Chrome extension that autocompletes your sentences wherever you type
FreemiumWritingMade in United States
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Resoomer
Free text summarizer and reading toolkit with paraphrasing tools
FreeWriting
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ContentBot.ai
AI blog writer and custom content workflows for marketers
PaidWriting
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Copymatic
AI copywriter for blog posts, ads, product descriptions and site copy
Free trialWriting
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Jetwriter AI
AI writing extension that drafts replies in your voice on any site
Freemium · $18/moWriting
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Ghostwriter
AI writing add-ins for Microsoft Word and Office with your own API key
From $50 one-timeWriting
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2Slash
Browser extension that adds AI writing to any text field
Freemium · $10/moWriting
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AI Bud
WordPress plugin for AI content, images, comments and chatbots
PaidWriting
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AImReply
AI email writer and reply assistant with a Chrome extension
FreemiumWriting
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Auto Gmail
Gmail extension that drafts replies automatically in your style
Freemium · $27/moWriting
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BiRead
Chrome extension that shows web pages in two languages side by side
FreemiumWriting
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ConversAI
One-click AI replies for any messaging app in your browser
From $19/moWriting
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CVGist
Turns a LinkedIn profile or old resume into a job-tailored CV
Free trial · $14.99/moWriting
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MailBuddyNew
Chrome extension that drafts Gmail replies with GPT
FreeWriting
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Manga TranslatorNew
Browser extension that translates manga pages as you read
From $99/moWriting
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