# sqz - Context Compression

> Compresses LLM context in ChatGPT, Claude.ai, Gemini, Grok, and Perplexity. All processing is local - zero external network requests.

Canonical page: [https://chrome-stats.com/d/sqz-context-compression](https://chrome-stats.com/d/sqz-context-compression)

## Overview

- **ID:** `sqz-context-compression`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ojus Chugh
- **Category:** web-development,privacy-security
- **Daily users:** 9
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 0.3.0
- **Last updated:** 2026-04-15
- **First published:** 2026-04-12
- **Size:** 85 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sqz-context-compression/)
- **Website:** [https://ojuschugh1.github.io](https://ojuschugh1.github.io/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/sqz-context-compression/privacy/](https://addons.mozilla.org/firefox/addon/sqz-context-compression/privacy/)

## Description

sqz compresses text you paste into AI chat tools, reducing token usage and saving costs.

When you paste 2000+ characters into any supported AI chat site, sqz shows a compression preview banner with before/after token counts. Click "Compress" to apply, or "Skip" to keep the original.

How it works:
- 16-pass compression engine
- Works on: ChatGPT, <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/cf6f55cbba6731f7030d49478c86cb1b6c503e9ea8cb3f1a019bd0e646726ebe/http%3A//Claude.ai" rel="nofollow">Claude.ai</a>, Gemini, Grok, Perplexity

Privacy:
- All processing happens locally in your browser
- Zero external network requests
- No telemetry, no analytics, no data collection
- Open source: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/542f66d1553b794304d04c946503721e3a69ea370e76392355f4ef2fe248c192/https%3A//github.com/ojuschugh1/sqz" rel="nofollow">https://github.com/ojuschugh1/sqz</a>

Part of the sqz context intelligence layer - also available as a CLI tool (cargo install sqz-cli) and MCP server.

## Rankings

- #34,472 — Overall
- #92 — context menu
- #162 — grok
- #172 — mission
- #227 — press
- #232 — process

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `https://chatgpt.com/*`
- `https://chat.openai.com/*`
- `https://claude.ai/*`
- `https://gemini.google.com/*`
- `https://grok.com/*`
- `https://www.perplexity.ai/*`

### Content script matches

- `chatgpt.com`
- `chat.openai.com`
- `claude.ai`
- `gemini.google.com`
- `grok.com`
- `www.perplexity.ai`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: chatgpt.com, openai.com, claude.ai, google.com, grok.com, perplexity.ai
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Pingbird Prompt Compressor](https://chrome-stats.com/d/pingbird-prompt-compressor)
- [STZ AI Chat Optimizer](https://chrome-stats.com/d/stz-ai-chat-optimizer) — 5.00 / 5
- [ChatGPT Message Compressor](https://chrome-stats.com/d/chatgpt-message-compressor) — 2 users
- [ChatBox](https://chrome-stats.com/d/chatbox) — 1 users
- [OmniContext — LLM Context & Bloat Monitor](https://chrome-stats.com/d/omnicontext) — 1 users
- [CleanMyPrompt - AI Privacy Firewall](https://chrome-stats.com/d/cleanmyprompt-ai-firewall)
- [Continuum: Capture, Save, & Resume AI Chats](https://chrome-stats.com/d/continuum) — 12 users, 3.67 / 5
- [GPTimizer](https://chrome-stats.com/d/gptimizer) — 1 users
- [AI Chat Turbo](https://chrome-stats.com/d/ai-chat-turbo) — 29 users, 5.00 / 5
- [AI Chat Cleaner](https://chrome-stats.com/d/ai-chat-cleaner1) — 5 users
- [PromptWise](https://chrome-stats.com/d/promptwise)
- [ThreadLine](https://chrome-stats.com/d/threadline-ai) — 11 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/sqz-context-compression)