Write Better. Instantly.
Fix mistakes, rephrase for the perfect tone, and send with confidence — all inside your browser, in one click.
Compose
Powerful Features for Better Writing
Everything you need to transform your writing from rough drafts to polished, professional text
Instant AI Rewriting & Correction
Highlight any text and rewrite it for clarity and style with one click. Real-time grammar and spelling fixes catch errors as you type.
Custom Tone & Style
Adjust the tone (formal, friendly, concise) so your message always sounds right for the audience. Perfect for any context.
Multilingual Support
Get corrections and rewrites in 15+ languages (English, Spanish, French, German, etc.). Ideal for global teams and language learners.
Universal Compatibility
Works anywhere you write in your browser – Gmail, Google Docs, Microsoft Word online, Slack, social media, etc. No copy-pasting needed.
The Writing Challenge
Perfect writing matters more than ever. Every email, message, and document represents you and your professionalism.
Common Writing Challenges
Embarrassing Typos
Spelling mistakes in professional emails damage your credibility and reputation.
Time-Consuming Proofreading
Manually checking every document wastes precious hours that could be spent on important work.
Language Barriers
Non-native speakers struggle with nuances, idioms, and cultural context in their writing.
Tone Uncertainty
Unclear whether your message sounds too formal, casual, or conveys the right intent.
Meet Your Solution
Real-Time Detection
Instant error highlighting as you type
How Calios Works
Get started in seconds. Four simple steps to perfect writing every time.
Type Anywhere
Start typing in any website or application. Calios works seamlessly across Gmail, LinkedIn, Google Docs, and more.
Highlight Text
Select the text you want to improve. Calios instantly analyzes your writing for errors and improvements.
Activate Calios
Click the Calios button that appears, or use the browser extension. Our AI processes your text in milliseconds.
Choose Correction
Select from multiple correction options. Apply changes with one click and continue writing with confidence.
Transform Your Writing, Transform Your Success
Experience the real-world benefits of perfect writing. From saved time to increased confidence, Calios delivers results that matter.
Save Time and Effort
Stop wasting hours on manual proofreading. Calios corrects your writing instantly, letting you focus on what matters most.
Enhance Professionalism
Make a lasting impression with error-free, polished communication that showcases your attention to detail.
Improve Communication Clarity
Transform complex ideas into clear, concise messages that your audience will understand and appreciate.
Boost Confidence
Write with certainty knowing every word is perfect. Build confidence in your communication skills.
Learn and Grow
Understand your writing patterns and improve over time with personalized suggestions and feedback.
Achieve Your Goals
Whether it's landing a job, closing a deal, or building relationships, perfect writing opens doors.
Ready to Transform Your Writing?
Join thousands of professionals who've transformed their writing with Calios. Start your journey to better communication today.
Trusted by Writers Worldwide
Join hundreds of thousands of professionals who trust Calios to enhance their writing every day.
"Calios has completely transformed how I write emails. My communication is now clearer and more professional."
"As a non-native English speaker, Calios gives me the confidence to write anything. The tone suggestions are incredibly helpful."
"The multilingual support is phenomenal. I write research papers in three languages, and Calios helps me maintain academic standards."
Your Privacy and Security Matter
Frequently Asked Questions
Find answers to common questions about Calios.
General
Features
Privacy & Security
Still have questions?
Contact our support team.