iOS Developer Toolbox 9 Free Online Tools to Boost Your Efficiency

Why Do You Need an iOS Toolbox?

iOS developers frequently handle small but critical tasks: looking up device UDIDs, checking certificate status, generating installation configuration files, or extracting App icons. While these tasks aren't complex, they often require installing multiple software packages or relying on command-line tools.

The UDID.my Toolbox integrates these essential functions into a single web page—no downloads, no registration, and completely free. This article introduces each tool’s purpose and use cases.

1. Device Info Lookup

Quickly retrieve detailed information about an Apple device via its UDID, including:

• Device Model: iPhone 16 Pro, iPad Air, etc.
• System Version: iOS 18.4, iPadOS 17.5, etc.
• Serial Number: Useful for service and warranty checks.

Use Case: When a developer receives a UDID from a tester, they can verify the device details first to ensure it meets testing requirements (e.g., whether the OS version is compatible).

2. P12 Certificate Analysis

Upload a P12 certificate file to detect the following information online:

• Validity: Expiration date and remaining days.
• OCSP Revocation Status: Whether the certificate has been revoked by Apple.
• Certificate Type: Development or Distribution.
• Entitlements: Push notifications, App Groups, etc.

Use Case: When purchasing or receiving a third-party certificate, check its validity and revocation status first to avoid installation failures caused by invalid certificates.

3. P12 Password Modifier

Modify P12 certificate passwords online. It also supports bundling with provisioning profiles for download as a ZIP archive.

Use Case: Updating passwords for security after receiving a certificate from someone else, or simplifying a complex password for easier frequent use.

4. Provisioning Profile Signer

Use an SSL or P12 certificate to sign .mobileconfig files. Once signed, the profile displays a green "Verified" badge during installation, increasing user trust.

Use Case: Distributing MDM or VPN configuration profiles within an enterprise; signed files appear more professional and trustworthy.

5. Plist Configuration Generator

Quickly generate the manifest.plist file required for Over-the-Air (OTA) iOS installations. Simply input:

• App Name
• Bundle ID
• Direct IPA download link

The tool generates a standard Apple-compliant Plist file, which works with the itms-services:// protocol for one-click web installation.

Use Case: Internal enterprise App distribution or sending beta builds to testers.

6. App Store Icon Extractor

Enter an App name to extract official high-definition icons from the App Store, featuring:

• Multiple sizes (512x512, 1024x1024)
• Multiple formats (PNG, JPG, WEBP)
• Search across different countries/regions

Use Case: Designers looking for icon references or marketing teams creating promotional materials.

7. Block System Updates (Block OTA)

By installing a specific tvOS Beta configuration profile, iOS system update checks are redirected to Apple TV servers, effectively blocking OTA update notifications.

Features:

• Does not affect normal App Store usage.
• Reversible at any time (just delete the profile).
• Officially signed, safe, and reliable.

Use Case: Jailbreak users wanting to stay on a specific version or developers needing to test on older iOS versions.

8. Shared International Apple IDs

Free access to Apple IDs for regions like the US and Japan, used to download region-locked apps (e.g., Shadowrocket).

Important Reminders:

• Log in to the App Store only; never log in to iCloud.
• Log out immediately after the download is complete.
• Do not modify the account password or security settings.

9. App Store Price Drops

Daily updates on apps that have gone free on the App Store, categorized into:

• In-App Purchase (IAP) Specials: Paid features currently free for a limited time.
• Paid-to-Free: Apps that usually cost money but are currently free.

Data is automatically updated via OODATA, ensuring you never miss a deal on premium apps.

Summary

All tools are available for free at udid.my/tools. No registration required; your data is not stored on our servers.

If these tools help you, feel free to share them with your fellow developers!