


Overview
Slim Chatwork is a 3rd party extension that adds a few minimal features to Chatwork.
20+ features to supercharge your Chatwork experience. Core features are free; unlock AI and advanced features with PRO. * Insert frequently used messages with one-click templates (Free, unlimited) * Fully customizable fonts, sizes, and layout (Free) * Syntax highlighting for code blocks (Free) * Status switch, mention assist, accidental send prevention, and more (Free) * [PRO] AI-powered message rewriting (business, casual, and more / uses your own API key) * [PRO] Auto-check message quality before sending * [PRO] Export chats to CSV / save messages as PNG images ■ Pricing (tax included) - FREE plan — Use all the core features above, free forever - PRO plan — AI Rewriter / Text Linter / CSV Export / Message Capture + future features Monthly ¥399 / Yearly ¥4,399 (about one month off) / Lifetime ¥9,999 7-day free trial available Pricing & plans → https://slimchatwork.com/pricing ■ All Features [Streamline Message Creation] - Message Templates (Free) — Insert frequently used messages with one click. Supports short-codes (date, time, etc.). Unlimited entries - AI Rewriter [PRO] — Transform your message tone with AI. Choose from business, casual, and other presets. Supports OpenAI / Anthropic / Google Gemini using your own API key (content is sent directly from your browser to each provider; it never passes through our servers) - Text Linter [PRO] — Auto-check message quality before sending with textlint rules + AI-powered style analysis, forbidden word rules, date-weekday mismatch detection, character count, and an attachment reminder [Customize Your View] - Font Change (Free) — Switch to your preferred Google Font - Room List Size Adjustment (Free) — Fine-tune avatar size, font size, and padding - Main Content Size Adjustment (Free) — Optimize chat input and font sizes - Expand Right Column (Free) — Extend the summary panel height [Share Code Smartly] - Syntax Highlighting (Free) — Color-coded code blocks with a built-in copy button [Data & Export] - CSV Export [PRO] — Export visible chat messages to CSV format. UTF-8 BOM for Excel compatibility - Message Capture [PRO] — Save individual messages as PNG images [Handy Utilities] - Status Switch Assist (Free) — Switch your status with preset options in one click - Open Room in New View (Free) — Open a room in split view, a new tab, or a new window - Open Mention List with @ (Free) — Just type @ to bring up the member list - Add Day of the Week (Free) — Show weekday labels on message timestamps - Punctuation Conversion (Japanese, Free) — Convert full-width punctuation to half-width - Disable Modifier Key + Enter Posting (Free) — Prevent accidental sends with modifier key combos - Hide Avatars / Disable Display Name Truncation (Free) Supercharge your Chatwork experience with Slim Chatwork. Try it today! ■ Privacy - The AI feature (AI Rewriter) uses a generative-AI API key that you provide, sending the selected text directly from your browser to each provider (OpenAI / Anthropic / Google). It never passes through our servers, and we do not collect or store the content. - For payment, data handling, and full privacy details, see https://slimchatwork.com/privacy Note: This is an independent third-party Chrome extension and is not affiliated with kubell Co., Ltd. Use at your own discretion. The developer assumes no liability for any damages arising from the use of this extension.
4.9 out of 527 ratings
Details
- Version2.0.0
- UpdatedJuly 1, 2026
- FeaturesOffers in-app purchases
- Size8.56MiB
- Languages2 languages
- DeveloperWebsite
Email
info@cofus.work - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Slim Chatwork has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
Slim Chatwork handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, please open this page on your desktop browser