Link Emoji

Two silver chain links at a 45 degree angle. Approved in Unicode 6.0 (2010) as U+1F517 LINK SYMBOLU+1F517 LINK SYMBOL, added to Emoji 1.0 in 2015.

🔗 is the internet's hyperlink emoji. The chain link has been the universal icon for hyperlinks since the early web, borrowed from the physical metaphor of links in a chain connecting one thing to another. When Unicode encoded it in 2010, it was already decades of UI convention compressed into one character.

Its dominant modern use is social, not technical. "Link in bio 🔗" became shorthand on Instagram around 2016 and never left. The platform refused to let creators drop clickable URLs in captions, so the workaround became a ritual, and the ritual created an entire cottage industry (Linktree, Beacons, Stan Store, Milkshake, Bio Sites). 🔗 is the glyph that points at the ritual.

Beyond URLs, 🔗 shows up wherever connection is the point: blockchain posts (where a chain of linked blocks is the whole architecture), Chainlink) community bios, matching couple captions, affiliate drop announcements, podcast episode shares.

The single most common phrase 🔗 appears in is "link in bio." A 2022 Statista study found 32.4% of brands on Instagram were already using the phrase in captions, and creator accounts push that share even higher. It's so load-bearing that platforms like Linktree now have 70M users built on top of it, with roughly 80% of the link-in-bio market and about $6B in annual GMV flowing through creator bios.

On Instagram, the workflow is dictated by platform design. Captions can't hold clickable URLs, so creators write the pitch then stamp "🔗 link in bio." Stories used to have Swipe Up, but Instagram killed Swipe Up on August 30, 2021 and replaced it with link stickers available to every account, which collapsed the old 10K-follower threshold and made 🔗 even more central to in-feed CTAs.

TikTok is the second home. Personal accounts need 1,000 followers before the website field unlocks, business accounts get it free, and until then "link in bio 🔗" is the only traffic lever. Twitter/X is different, links work inline, so 🔗 there is usually signaling a thread, a GitHub repo, a Substack drop. In crypto Twitter, 🔗 next to a ticker is almost always Chainlink.

The chain link icon for hyperlinks predates Unicode by about two decades. Web browsers and word processors used a two-link chain icon through the 90s, borrowing from print design's metaphor of linked content. By the time Unicode 6.0 shipped in October 2010, encoding it was basically paperwork.

The glyph was proposed alongside the first major wave of pictograph emoji in the L2/09-026 emoji proposal authored by Markus Scherer, Mark Davis, Kat Momoi, Darick Tong (Google), Yasuo Kida, and Peter Edberg (Apple). The proposal ported the Japanese carrier emoji sets (DoCoMo, KDDI, SoftBank) into Unicode to solve a round-trip interoperability problem for email between Japan and the rest of the world. The chain link glyph existed in those carrier sets, so it came along.

The "link in bio" chapter is the one that changed the emoji's life. Instagram launched in October 2010, the same month Unicode 6.0 landed, but it was 2016 before "link in bio" calcified as a phrase. Linktree launched that year in Melbourne as a side project for music clients, and the link-in-bio industry grew around Instagram's one-clickable-link rule. Within a decade the phrase was load-bearing for a creator economy projected to hit $22B annually, with 🔗 as its three-pixel-wide mascot.

1. 2010Unicode 6.0 encodes U+1F517 LINK SYMBOL (October)
2. 2010Instagram launches (October), same month as Unicode 6.0
3. 2015Added to Emoji 1.0 keyboards everywhere
4. 2016Linktree founded in Melbourne, "link in bio" enters the lexicon
5. 2021Instagram kills Swipe Up (August 30), replaces with Link Stickers, 🔗 CTAs move in-feed
6. 2024Linktree crosses 50M users in May
7. 2025Linktree passes 70M users, raises prices across all paid plans in November

• •Linktree grew from 3M users in 2019 to 70M in 2025, adding roughly 40,000 new accounts a day. The 🔗 ritual built a company.
• •Linktree holds about 80% of the link-in-bio market, with Milkshake (3.7%), Beacons (2.4%), Linkin.bio (1.6%), and Bio Sites (1.3%) trailing far behind.
• •About 32.4% of brands on Instagram were already using the caption "link in bio" by 2022. Creator accounts push the share much higher.
• •Linktree estimates creators push $6B+ annual GMV through the link-in-bio pattern.
• •Instagram's Swipe Up for Stories was shut down on August 30, 2021 and replaced with Link Stickers. Before that, only accounts with 10,000+ followers could link from Stories at all.
• •Chainlink (LINK)) uses the chain link as its actual logo. The fan community calls itself LINK Marines and famously took over the /biz/ board on 4chan.
• •The chain link metaphor for hyperlinks predates the emoji by ~20 years. Browsers and word processors used chain icons for hyperlinks through the 90s.
• •🔗 was approved in Unicode 6.0 in October 2010, the same month Instagram launched. The platform that would turn it into a phrase was younger than the emoji by weeks.

• •Chainlink (LINK) crypto, launched 2017, uses the chain link as its actual logo. Sits around #15 by market cap at ~$6.8B as of April 2026. 🔗 in a crypto bio is functionally an in-group handshake.
• •Linktree, Beacons, Stan Store, Milkshake, and Bio Sites, the entire link-in-bio tooling category with 70M+ Linktree users alone, exists because of the phrase 🔗 popularized.
• •"Link in bio" became a running joke on Twitter/X when creators would post a punchline caption and force readers to click through for the actual content.