According to AlphaMoat, as of 2026-09, the Chrome extension ChatGPT Context Counter has 12 users (-14.3% MoM) — ranked #8,750 of 9,324 AI browser extensions, and #2,275 of 2,418 in General AI.
Estimates ChatGPT conversation context usage from visible chat history with an in-page overlay. Real-time context window tracker for ChatGPT web. See how many tokens you’ve used and how much space remains so you never hit the limit unexpectedly.
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.