What is a UDID?
A unique Apple device identifier. Each iPhone / iPad has one for life; it cannot be changed.
UDID Toolbox
Look up iPhone / iPad UDID online
Free UDID tool: secure, fast, no computer required. Works on all iPhone and iPad models via Apple’s official Profile Service protocol.
01 / Overview
Three things to know
Why do you need it?
Developers must whitelist your UDID before you can install beta apps (IPA).
Is privacy safe?
Only device identifiers are read—no accounts, photos, or other personal content.
Special / Assist
Need someone else’s UDID remotely?
Open an assist room and share the link. After they install the profile, their UDID appears on your page in real time—no hard refresh.
More
Other standalone tools
These tools can be deployed alone. Configure or clear links in config.php to hide them.
Knowledge / FAQ
FAQ
Classic methods need iTunes. This tool uses the official iOS Profile Service protocol for a wireless extract—usually done in tens of seconds.
Copy the UDID from this site and send it to the developer. Once they add it to their Apple device whitelist, you can install the beta via their link.
Yes. After extraction, go to Settings → General → VPN & Device Management and remove the temporary profile. Your device works as usual.
Yes. Open this site in Safari on iPad, tap Get, and install the profile—same flow as iPhone.
Guide
How to use
01
Tap “Get” and allow the download
A temporary profile (.mobileconfig) downloads. Use Safari for best compatibility.
02
Install the profile in Settings
Open Settings; “Profile Downloaded” appears at the top. Follow the prompts and confirm with your passcode.
03
Results appear automatically
After install, the page transitions to the result view with UDID and more. Copy and send to your developer.
Waiting for the device
Finish installing the profile on this device. Results appear automatically—no manual refresh.
- Open Settings → “Profile Downloaded” at the top
- Tap Install; enter your passcode if asked
- “Not Verified” is normal for unsigned profiles—you can continue
- You can delete the profile in Settings anytime
Assist Room
Remote assist room
Send the room code or link below. When they open it in Safari and install the profile, device info shows here live.
------
Listening · jumps when they finish
Guest
Assist collection
You joined assist room ------. Tap below to download and install the profile; your UDID is sent back to the host.
- Open this page in Safari
- After install you can remove the profile in Settings
Result
Device info ready
About
About this tool
UDID Toolbox is a lightweight PHP system for reading Apple device identifiers over Profile Service. The UI is monochrome and borderless; in-app views transition without hard reloads.
A
How it works
Issue a temporary Profile Service profile → device posts identifiers → server stores the session → front end polls and shows results smoothly.
B
Data policy
Sessions expire after about one hour and are cleaned up. No accounts; no photos or personal content uploaded.
C
Deploy tips
Prefer HTTPS. Place the project at the site root or a subdirectory and keep the data/ folder writable.