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Tools & guides
Everything to ship a link that works.
Free, no-signup tools to build and check your links — plus plain-English guides for the parts that quietly break. No fluff, no gate.
Guides
Deep dives on the things that decide whether your link lands right. More on the way.
Open Graph
Open Graph image size
The exact 1200×630 spec, why those numbers, the mistakes that quietly break your card, and how to test it before you post.
Read the guideCampaigns
UTM naming convention
One naming scheme for source, medium and campaign — the casing and spacing rules that stop your analytics splitting one campaign across five rows.
Read the guideFree tools
Run them in your browser. Nothing to install, nothing to sign up for.
Preview
Open Graph preview
Paste a URL and see its card on X, Facebook, LinkedIn, Slack, Discord, iMessage and WhatsApp — with a best-practices tag audit.
Open the checkerSafety
Redirect checker
Paste a short or suspicious link and trace every hop to its final destination — with the status codes and any red flags along the way.
Trace a linkCampaigns
UTM builder
Tag a campaign URL with consistent source, medium and campaign values, then copy it clean — so your attribution stays tidy.
Build a URLOffline
QR code generator
Turn any link into a crisp SVG or PNG QR that scans from across the room. Runs entirely in your browser.
Make a QRPut the tools to work.
Shorten any URL with slsh.me, design its Open Graph card, tag it for attribution, and watch the clicks land — all on the free plan.
Get started freeFree forever · see pricing