Shareling shows up in the share sheet only on an iPhone or iPad with the Shareling app installed, and only when what you are sharing is text, a single web link or a single web page. When it does show up but can't save, it tells you why in one of three sentences, and each sentence points at a different fix.
This page covers what the share extension asks iOS for, how to get it into your share sheet, and what each of those three messages means, as read from Shareling's code.
Why isn't Shareling in my share sheet?
Shareling is missing from the share sheet when you are on a Mac, when the Shareling app isn't installed on the iPhone or iPad, or when you are sharing something other than a link or text. Each of those comes from how the extension is built:
- Mac. Shareling has one share extension, and it is built for iPhone and iPad only. The Mac app has none, so the Mac share sheet never lists Shareling.
- The app. The share extension ships inside the iPhone and iPad app and targets iOS and iPadOS 26 or later. There is no separate download.
- What you share. The extension declares three kinds of item: text, one web link, and one web page. It declares no photos, videos or files, and it takes one link or page at a time, not several.
So sharing a photo from Photos, or a document from Files, is a case where Shareling has nothing to offer. Share the page itself, or text that contains its link.
How do I get Shareling into the share sheet?
Install the Shareling app on your iPhone or iPad, open it once, then share a web page or a link from any app and pick Shareling. The extension comes with the app, so there is nothing else to install.
Opening the app once matters for one of the error messages below: the extension saves into the same library the app keeps on the device, and it asks you to open the app when it can't reach it.
When the sheet opens, it shows the page's title and site, a note field where #name becomes a folder, and a Send to row. Self is picked unless you choose a person.
What does "That isn't a web link Shareling can save." mean?
"That isn't a web link Shareling can save." means Shareling found no http or https link in what you shared. Shareling saves web links only.
The extension looks for a link in this order: a link the app shared directly, the page address Safari hands over (which also carries the page title), then the first link inside shared text. From text, it skips mailto: addresses and anything that isn't http or https. A link with any other scheme, or with no host, is refused when Shareling tries to save it, with the same message.
You can see this message in two places. If nothing you shared holds a link, the share ends before the sheet opens and the app you shared from shows this message. If a link was found but can't be saved as a web link, you see it after pressing Send.
The fix is to share the web page itself, or copy its https:// address into the text you share.
What does "Shareling couldn't reach its library" mean?
"Shareling couldn't reach its library. Open the Shareling app once, then try again." means the share extension could not find the storage it shares with the Shareling app, so it had nowhere to write the link. The extension saves straight into the app's library on the device, which is why it works offline and with the app closed; when that storage isn't there, the save stops.
There is an earlier sign of the same problem. The Send to row lists the people you can send to from that same library, so when the extension can't reach it, the row shows only Self. Pressing Send then shows this message.
Do what it says: open the Shareling app, then share the link again.
What if the link still won't save?
If the link still won't save, the third message, "Shareling couldn't save this link. Try again.", covers every failure other than the two above, and retrying is safe.
Each share sheet mints one ID for its save, so pressing Send again is the same save, not a second one. If the link is already in the place you sent it, Shareling writes nothing new. A link can't end up in your library twice because of a retry.
Two things are expected rather than broken:
- A link shared from an app other than Safari may arrive with no title. The extension doesn't fetch page details itself; the app fills them in the next time it opens.
- A link sent to a person is saved on your device and waits there. The extension never syncs; sending is the app's job, and in the current code the app's sync has no live connection to iCloud yet, so the link waits until that ships.
If Send keeps failing, open the Shareling app, then share the link again, the same step that clears the library message.
What the extension saves, and where, is on the iPhone share sheet page; the Shareling FAQ covers where your links live.
Frequently asked questions
Why doesn't Shareling show up in the share sheet on my Mac?
Shareling has no share extension on the Mac. Its only share extension is built for iPhone and iPad, so the Mac share sheet has no Shareling entry.
Why is Shareling missing when I share a photo?
Shareling's share extension declares three kinds of item: text, one web link and one web page. It declares no photos, videos or files, so it has nothing to offer for a photo.
What does "That isn't a web link Shareling can save" mean?
What you shared held no http or https link. Shareling saves web links only; a mailto address, a link with another scheme, or text with no link in it gets this message.
Is it safe to press Send again after a share fails?
Yes. Each share sheet mints one ID for its capture, and a link already saved to the same place is not written again, so a repeated Send can't create a duplicate.
Does the share sheet need the internet or the Shareling app open?
No. The extension writes the link straight into Shareling's library on the device, so it saves offline and with the app closed. The app fills in the page details the next time it opens.
Send a link to the person you mean it forShareling is a Mac, iPhone and iPad app for sending a link to one person and keeping the links you save, synced through your own iCloud.