Do I need an Apple Developer certificate to sign an IPA?

Yes. iOS requires apps to be signed before they can run. To install a signed IPA on an iPhone or iPad, the certificate and provisioning profile must include that device's UDID.

Is CertDrop IPA Signer free?

Yes. CertDrop IPA Signer is free to use. CertDrop also offers certificate files for users who need a device-matched setup.

Free IPA Signer — Sign iOS Apps

Q: What is CertDrop IPA Signer?

CertDrop IPA Signer is a free online IPA signing tool. It lets users upload an IPA file, Apple Developer certificate, provisioning profile, and password, then returns a signed IPA with a direct install link.

Q: Can I sign IPA files without a Mac?

Yes. CertDrop IPA Signer works in the browser, so users can sign IPA files without Xcode, a Mac, or a USB cable. A valid Apple Developer certificate and provisioning profile are still required.

Using a free, shared, or expiring certificate?

Get a device-matched 360-day certificate package for $8, with the .p12, mobileprovision, password, and setup links.

Get certificate - $8 Get my UDID first

IPA File *

📱

Drop your IPA here or tap to browse

Accepts .ipa up to 500 MB

📱

.p12 Certificate *

🔐

Drop your .p12 file here or tap to browse

Accepts .p12 up to 5 MB

🔐

.mobileprovision File *

📋

Drop your .mobileprovision here or tap to browse

Accepts .mobileprovision up to 5 MB

📋

Certificate Password *

Advanced signing options

Optional. Leave Bundle ID empty to preserve the IPA's original identifier (recommended). Only override it when you intentionally need a different valid identifier such as com.company.app.

Bundle ID override

App version override

Your signing credentials are encrypted temporarily for processing and restart recovery, then deleted after completion. Signed install files expire within 12 hours.

Uploading... 0%

Signing Failed

An unexpected error occurred.

✅

⬇ Install Now

Tap Install Now or share the link — works on any iPhone with the matching certificate installed.

Free browser signer

Sign an IPA with your own certificate files.

CertDrop IPA Signer is for users who already have an IPA file, a matching .p12 certificate, a mobileprovision profile, and the certificate password.

Quick answers

What is CertDrop IPA Signer?

It is a free online IPA signing tool. It signs IPA files using your Apple Developer certificate and provisioning profile.

Can I sign IPA files without a Mac?

Yes. The signer works in the browser, so you do not need Xcode, a Mac, or a USB cable. You still need valid certificate files.

Do I need an Apple Developer certificate?

Yes. iOS only runs apps that are correctly signed. Your certificate and provisioning profile must include the device UDID.

Is the IPA signer free?

Yes. The IPA signing tool is free. CertDrop also offers device-matched certificate files for users who need a ready setup.