Free tools
Free tools for links that have to work
No signup, no email gate, instant answers. Built for the teams setting up deep linking, sending campaign SMS, and migrating off Firebase, which is exactly what SwiftURL is for.
Deep Link Checker
Validate your Apple App Site Association and assetlinks.json in one pass. Find the redirect, JSON, or fingerprint problem stopping your links from opening the app.
Open tool Redirect tracerLink & Redirect Checker
Unshorten any link and see the full redirect chain hop by hop, the final destination, HTTPS at each hop, and how long the final domain has been registered.
Open tool GSM-7 / UCS-2SMS Segment Calculator
See character and segment counts, GSM-7 versus Unicode encoding, the characters that force UCS-2, and how many characters a short link saves. No cost guesswork.
Open tool FDL migrationFirebase Dynamic Links Converter
Paste old FDL URLs, understand every parameter, and export a CSV shaped for Bulk Link Import to recreate them on a domain you own.
Open toolThe tools show it. The product does it.
Branded links, deep linking, safety checks, and analytics, on your own domain. Start free.
Start free