Available for macOS, Windows, and Linux. Free. No account required.
Requires Windows 10 or later, 64-bit
No installation or admin rights needed. Extract the ZIP and run. Data stays inside the folder.
How to use the portable version →Free is a complete offline tool. Pro adds live requests and flows.
No account. No time limit.
Included in the download above
One-time payment. All future updates.
Use the native installer for your platform — it's the fastest option. macOS: pick Apple Silicon (.dmg) for M1/M2/M3/M4, or Intel (.dmg) for older Macs. Windows: download OPAL-Setup.exe. Linux: AppImage works on most distributions without installation. If you're on a managed machine where the installer is blocked, use the portable version.
The portable version is a self-contained ZIP that runs on macOS, Windows, and Linux with no installation or admin rights. Extract it anywhere and run — your data is stored inside the folder so the app is completely portable. It's useful on enterprise-managed machines where the native installer is blocked or requires an admin to sign off. Read the portable version guide →
No. Extract the ZIP to any folder, then run start.bat on Windows or start.sh on macOS and Linux. Nothing is written outside the extracted folder.
Click More info → Run anyway. SmartScreen warns on infrequently-downloaded software. If your machine policy blocks all unsigned installers, use the portable version — it requires no system-level install and bypasses SmartScreen entirely.
Go to System Settings → Privacy & Security and click Open Anyway next to the OPAL entry. This is a one-time step. See the installation guide for details.
All releases — including older versions and their portable ZIPs — are on the OPAL releases page on GitHub ↗.
More questions? See the full FAQ or the installation guide — or email [email protected].