Kerlig AI

In plain words

Kerlig AI is an AI writing assistant that works within existing applications like Slack, Mail, and Figma. It helps users draft replies in their personal tone, fix spelling errors, summarize web content, chat with PDFs and documents, improve copy directly in design files, and translate text to other languages. The tool adjusts tone and performs various writing tasks without requiring users to switch applications.

written from the facts on this page · September 2026

From the sources

Write replies on Slack and Mail using your tone of voice. Fix spelling before sending a message. Summarize websites and articles. Chat with PDFs and documents. Improve copy in Figma. Translate to any language. Change tone and more!

Write emails, Slack replies and Jira tickets in your tone of voice. Proofread, chat with documents, and let Agentic Mode read your screen and use your apps.

Use built-in actions and create your own to supercharge your daily workflows. All models in one app. Switch between models with one click. Analyze, summarize, and chat with the most popular document types. Your messages are sent directly to AI providers, then stored and encrypted on your Mac. Use reasoning models for multi-step research leveraging online data. “ I love this app. It allows me to run prompts against various models, and it just works really well. It might be my favorite AI app on my Mac.” “ Kerlig helps me fix my grammar mistakes and improve my writing when communicating with clients and colleagues on Slack & Email.” “Smart academic assistant, learn, and write more efficiently…from kerlig.com

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