According to AlphaMoat, as of 2026-09, the Chrome extension Enigma, ChatGPT Sidebar has 102 users (+4.1% MoM), rated 3.7 (6 reviews) — ranked #4,199 of 9,324 AI browser extensions, and #1,030 of 2,418 in General AI.
Enigma is an AI assistant sidebar. It brings the power of AI into your hands. Access ChatGPT everywhere. ⭐⭐Now chat with any PDF file. Upload your documents, papers, or assignments and ask any questions about them!
Access ChatGPT everywhere with the Enigma extension!
⭐Open the sidebar using ctrl+alt+j (ctrl+cmd+j on MacOS) or clicking on the Enigma icon at the bottom left corner of the screen.
⭐Easily Draft content for blogs and social media with the new "Compose" tab. ⭐Summarize long webpages without any limit to its size. ⭐ Write emails for Gmail and Outlook or summarize your mailbox. ⭐ Summarize Wikipedia pages. ⭐ Get answers with faster response times. ⭐ Download the response as a Word document. ⭐ Translate highlighted text.
ChatGPT, DeepSeek, Gemini, Claude, Grok all in one AI sidebar, for AI search, read, and write.
+ CompareChange default search engine to ChatGPT search.
+ CompareOne stop AI Assistant with GPT, Claude, Gemini: Chat, Write, Translate, Search, Summarize, image generator, video generation
+ CompareSummarize YouTube videos, web articles, and PDFs to save time, powered by ChatGPT, Claude, Mistral AI, and Gemini.
+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.