Bold Text on Facebook: How to Bold and Italicize Your Posts

Facebook has no bold or italic button in normal posts and comments, yet you've seen posts with bold text on Facebook everywhere. They use Unicode characters that look bold. This guide shows the fastest way to format a whole post, which styles look most natural, and the mistakes that make posts harder to find.

How to make bold text in a Facebook post

1. Open the Facebook post formatter.
2. Write your post as normal. Put **double stars** around words you want bold and *single stars* around words you want italic.
3. Check the preview, then tap Copy formatted post.
4. Paste into Facebook and publish.

Only the marked words change, so the rest of the post stays plain and searchable. You can also use ~~tildes~~ for strikethrough (handy for price drops) and `backticks` for monospace codes.

Sans or serif: which bold Facebook font looks best?

Facebook shows posts in a sans-serif typeface. Sans-serif bold (𝗹𝗶𝗸𝗲 𝘁𝗵𝗶𝘀) blends in and looks like real formatting. Serif bold (𝐥𝐢𝐤𝐞 𝐭𝐡𝐢𝐬) stands out more and suits quotes and headlines. The formatter lets you switch between them with one menu.

Where formatted text works on Facebook

• Posts, comments, group posts and event descriptions: yes.
• Profile intro (bio): yes, keep it short.
• Marketplace descriptions: yes, but keep the item name plain in the title so buyers can find it.
• Profile name: usually no. Facebook's name rules don't allow symbols or unusual characters.

Bold text on LinkedIn and other sites

The same trick works on LinkedIn posts, Instagram captions, X (Twitter) and WhatsApp statuses, because they all display Unicode characters as they are. On LinkedIn, a bold first line works like a headline in the feed preview.

Mistakes to avoid

• Bolding keywords people search for. Facebook search matches plain words, so a product name in 𝗯𝗼𝗹𝗱 may not show up when people search for it. Bold the extras, not the keywords.
• Bolding the whole post. It's tiring to read, and screen readers may spell out styled words letter by letter.
• Styling accented words. Fancy alphabets have no é or ñ, so those letters stay plain inside a bold word. For Spanish, use the accent-safe converter.
• Styling links, phone numbers or codes only. People need to copy them. Write them in plain text too.

Bold text in Facebook comments, groups and Marketplace

• Comments: bold one or two words for emphasis, for example 𝗦𝗼𝗹𝗱 or 𝗨𝗽𝗱𝗮𝘁𝗲𝗱. A fully bold comment reads like shouting.
• Group announcements: a bold first line works like a headline in the group feed, followed by plain details.
• Marketplace: keep the item name plain in the title so buyers can find it, and use bold in the description for things like 𝗣𝗿𝗶𝗰𝗲 𝗶𝘀 𝗳𝗶𝗿𝗺 or 𝗣𝗶𝗰𝗸𝘂𝗽 𝗼𝗻𝗹𝘆.
• Events: bold the date and time line so it stands out in the description.

Step by step on your phone

1. Open the Facebook post formatter in your phone's browser.
2. Type or paste your post, then select a word and tap B (bold) or I (italic).
3. Tap Copy formatted post.
4. Open Facebook, start a post, long-press the text box and choose Paste.
5. Check the preview before you publish; edit any word that should stay plain.

Quick answers

Does bold text hurt reach on Facebook?

There's no public evidence that Facebook penalises Unicode text. The real risk is search: styled words aren't matched by plain-text searches.

Why do some letters stay normal in my bold text?

Accented letters and some symbols have no bold version in Unicode, so they stay plain.