Can’t find the right words for your message? WhatsApp’s got a new feature for that

Image credit: WhatsApp/Blog

In a move to enhance messaging productivity without compromising user privacy, WhatsApp has announced the rollout of “Writing Help,” an AI-powered feature aimed at making message composition smarter, more efficient, and stylistically versatile.

Designed to assist users in crafting messages that hit the right tone, whether professional, humorous, or supportive, Writing Help offers real-time suggestions based on user intent. The feature leverages advanced AI to refine messages, making everyday communication smoother and more expressive, a WhatsApp blog conveyed.

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But unlike many AI tools that come with trade-offs around data privacy, WhatsApp is positioning Writing Help as a privacy-first innovation. The feature is built on the platform’s proprietary “Private Processing” technology, which ensures that neither WhatsApp nor its parent company, Meta, can see original messages or AI-generated edits.

“This is about helping people say what they mean, in the way they want to say it,” said a WhatsApp spokesperson. “We believe AI can assist without sacrificing the core values of privacy and control.”

To use Writing Help, users simply begin typing in a one-on-one or group chat, then tap the new pencil icon to activate AI-powered suggestions. The system provides different tonal options, such as professional, funny, or supportive, allowing users to fine-tune their messages accordingly. Users can continue editing until they are satisfied, or opt not to use the feature at all.

Importantly, Writing Help is optional and disabled by default. WhatsApp emphasises that users remain fully in control of their messaging experience, and no data used in the process is stored or visible to any external party.

Strong emphasis on privacy

At the core of both Writing Help and WhatsApp’s broader AI strategy is Private Processing, a system designed to keep user data entirely on-device. WhatsApp has published technical documentation and blog posts detailing how Private Processing works and how it ensures end-to-end encryption is preserved throughout AI interactions.

To bolster trust, the company has also commissioned independent audits from cybersecurity firms NCC Group and Trail of Bits. These audits confirmed the system’s architecture meets high standards for security and does not expose user messages during AI processing.

“For those concerned about data privacy, this isn’t just marketing—it’s verified,” said a WhatsApp engineer familiar with the system architecture. “Private Processing represents a fundamental shift in how AI can be applied to messaging.”

Message summaries also rolling out

Writing Help isn’t the only AI-driven tool WhatsApp is introducing. Earlier this year in June, the company unveiled “Message Summaries,” another privacy-centric feature designed to help users quickly catch up on unread chats.

The feature provides a digest of messages that have piled up, especially in busy group chats or after hours away from the phone, without requiring users to scroll through each one. Like Writing Help, Message Summaries uses Private Processing to ensure that all content remains encrypted and inaccessible to WhatsApp or Meta.

The summaries are generated on-device and are not visible to others in the chat. They are designed for the individual user’s benefit and are never stored externally.

Users can further customise their experience through Advanced Chat Privacy settings, allowing them to specify which chats are eligible for summarization. As with other AI tools in WhatsApp’s ecosystem, Message Summaries is optional and disabled by default.

Limited rollout, global expansion planned

Currently, both Writing Help and Message Summaries are being rolled out in English for users in the United States and a handful of other select markets. WhatsApp plans to expand availability globally and support more languages in the coming months.

The launch signals a broader shift in WhatsApp’s product strategy, incorporating AI in ways that enhance usability without compromising its core promise of private, secure communication.

By introducing optional, privacy-focused tools like Writing Help and Message Summaries, WhatsApp is looking to redefine the role of AI in messaging, not as a surveillance risk, but as a discreet assistant.

As competition intensifies among messaging platforms to offer smarter features, WhatsApp’s approach could set a new benchmark for balancing intelligence with integrity.