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Description
Compress the context you paste locally, then inject it into a web AI chat before sending. Send less, keep what matters. AI-Chat Compressor shrinks long chat context right in your browser, then drops only the query-relevant sentences into the chat box before you send — so you save tokens and stay under the context window. Open the side panel from the toolbar, pick the answers you want (or paste any text), type your question, and press Compress. The extension keeps the sentences that actually matter for that question and inserts them into the chat — optionally sending automatically. Why you'll like it • Save tokens and context-window space on long conversations. • Keep the relevant sentences, not whole blocks — sentence-level compression. • Everything runs locally. Your chats never leave your machine. • Works across major AI chats and 50+ interface languages. How it works 1. Reads the conversation on the current tab (or your pasted text). 2. Ranks each sentence by relevance to your question (or, with no question, by how representative it is). 3. Keeps the top sentences within a size budget you control with a Strength slider. 4. Inserts the compressed context into the chat input. Two engines (toggle in the panel) • lite — lexical BM25 + light stemming. Instant, zero download. • heavy — semantic embeddings (Model2Vec / potion, 100+ languages) that catch synonyms and paraphrase, including instruction-style queries. Downloads a small model once (~64 MB), then runs fully offline — no GPU. Private by design No accounts, no API keys, no telemetry, no tracking. Compression happens on your device. The only network request is a one-time download of the local embedding model from a public Hugging Face URL (only if you choose the heavy engine) — no personal data is sent. Where it works Works on the major AI chat websites — for example ChatGPT, Claude, and Gemini — and several others. Extra • Light/dark theme, follows your system. • "Rooms" to keep separate saved contexts. • Download the full chat history or the compressed text as a .txt.