Bold text generator
Type any text and we swap it for Unicode bold characters that stay bold on Instagram, LinkedIn and X. No Markdown, no HTML, no formatting toolbar. Paste and post.
About Unicode bold
It's not formatting, it's letters
Each bold character is a separate Unicode codepoint from the Mathematical Alphanumeric Symbols block. The boldness travels with the text wherever you paste it, no formatting required.
Use it sparingly
Screen readers can stumble on Unicode bold. Use it for emphasis on a word or two, not whole posts. A bio with 1 to 2 bold phrases reads great. An entirely bold caption reads like spam.
Where it works
Instagram, LinkedIn, X, Facebook, Threads, TikTok, Pinterest, Bluesky, Mastodon. Anywhere that accepts Unicode in posts. WhatsApp and Telegram have native bold but this still works there too.
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