Free tools · Updated August 2026 · Works in your browser

Free Bluesky Tools

Everything on this page runs in your browser or on our AI, without an account. Bluesky has no bold or italic. Bluesky posts are 300 graphemes, which means an emoji counts as one. The tools below handle the formatting, counting, previewing and writing; the scheduler handles the posting.

Write & format

Bluesky Text FormatterBold, italic, underline and bullets for Bluesky posts.Bluesky Font Generator25+ copy-and-paste font styles for Bluesky.

Preview & mockups

Bluesky Post PreviewSee the feed version of a Bluesky post before you post.

AI generators

Bluesky Hashtag GeneratorThree hashtag sets sized for Bluesky.Bluesky Handle GeneratorTwelve Bluesky name ideas that follow the rules.Bluesky Post GeneratorThree complete Bluesky posts from a brief.

Counters & checks

Bluesky Character CounterLive count against every Bluesky limit.Bluesky Username CheckerRules check, availability link, alternatives.

Bluesky limits and sizes at a glance

Bluesky posts are 300 graphemes, which means an emoji counts as one. Display names are 64 characters, bios 256, alt text 2,000, and you can attach four images.

Posting on Bluesky in 2026

Bluesky is conversation-first. Posts that start a thread or ask a question do better than broadcasts.

Hashtags on Bluesky feed custom feeds and search. One to three specific tags help; broad ones do nothing.

Bluesky character limits (2026)

Field	Limit	Note
Post	300	Counted in graphemes, so emoji count as 1
Display name	64
Bio	256
Handle	253	A domain name, e.g. name.bsky.social
Alt text	2,000
Images per post	4

Formatting support on Bluesky

Bluesky has no bold or italic — only links, mentions and tags are rich. Unicode styled text works, but screen readers and some clients read it badly.

Line breaks are preserved.

Bluesky image sizes (2026)

Placement	Size (px)	Ratio
Post image	1500 × 1000	3:2
Square post	1000 × 1000	1:1
Profile photo	1000 × 1000	1:1
Banner	3000 × 1000	3:1

Need one of these sizes? Use the Bluesky image resizer.

Hashtags on Bluesky

Tags on Bluesky feed custom feeds; a few specific tags do more than many broad ones. Limit: none. Sweet spot: 1–3.

Frequently asked questions

Are these Bluesky tools free?

Yes. The browser tools have no limits; the AI tools allow ten generations a day without an account.

Can I schedule Bluesky posts here?

Every tool has a "Schedule" link that opens Social by InstantDM with your text prefilled: it publishes to Bluesky and seven other platforms from one calendar.

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Write it here, publish it everywhere

Social by InstantDM schedules to Instagram, Facebook, X, LinkedIn, TikTok, Pinterest, Threads and YouTube from one calendar, with AI captions, previews and an API. Start free — $0 today, cancel anytime.