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ForgeSign
Sign, install, and manage IPAs entirely on your iPhone
ForgeSign is an on-device IPA re-signer for iPhone and iPad. Pick an .ipa, a .p12 certificate, and a .mobileprovision profile, then sign with the vendored zsign engine — no computer, no server, no uploads. Remembered certificates with expiry countdown, Keychain passwords, a signed-app library, and loopback OTA install keep the whole workflow on your device.
FAQ
Common Questions
Does ForgeSign upload my IPA or certificate?
No. Signing runs on the device. Certificates and profiles stay in the app container. Install uses a loopback HTTP server on the phone plus a trusted HTTPS plist to drive itms-services — the IPA itself is not uploaded to a third-party storage service by ForgeSign.
Is the GitHub IPA signed?
No. ForgeSign-1.0.ipa ships unsigned on purpose. Sign it with your own certificate and profile (with ForgeSign itself after a first install via another tool, or with Sideloadly / AltStore / similar).
Which iOS versions are supported?
Deployment target is iOS 16. Liquid Glass styling uses iOS 26+ APIs when available, with a material fallback on earlier versions.
Can I change the bundle ID when signing?
Yes. Set an optional new bundle ID before signing. You can also strip app extensions or enable Files import / sharing.
Is this for piracy?
No. Only sign and install applications you have the rights to modify. ForgeSign is intended for your own builds and development use.
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