How to format your X posts
Write your text, choose a style and copy the result into X. You can also format posts from an AI assistant using MCP.
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Write & Format
Select a phrase and apply bold, italic or strikethrough. Organize your ideas with a list.
Preview the Result
Illustrative preview. Unicode rendering can vary across X and devices.
Copy & Publish
Click Copy, then paste your text into a X post.
An interface built for speed
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Non-Destructive Unicode Formatting
Formatting uses Unicode characters, so it stays with your text when you copy it.
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Optimized for X
X uses weighted counting. An ordinary Latin letter usually counts as one unit, while a styled Unicode letter can count as two. The counter recalculates after every transformation.
The Model Context Protocol (MCP): Your Invisible Assistant
MCP connects Boldify to your AI assistant. Ask it to format your text without leaving the conversation.
Smart Extraction : The MCP identifies key points from your raw documents to suggest hook formats.
Direct Sync : Switch from your favorite text editor to Boldify without losing context thanks to the resource sharing protocol.
{ "mcpServers": { "boldify": { "url": "https://api.boldify.net/mcp" } } }
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Join creators who use Boldify to stand out on X.