Bypass server restrictions and speed up voice synthesis by connecting directly from your browser.
By default, the Voicemaker Free site proxies text-to-speech requests through a backend server. While this works out of the box, it has some limitations which the TTS Free Helper Extension resolves completely:
The extension enables your browser to establish a direct WebSocket connection to Microsoft Edge's Neural TTS API. The speech audio is streamed straight to your computer without going through middle-man servers, minimizing latency.
When thousands of users use the shared proxy server at the same time, Microsoft may throttle or block the proxy IP. By using the extension, you synthesize speech using your own network IP, eliminating shared server rate limit issues.
Standard web browsers prevent websites from modifying the secure Origin header of connection requests (CORS policies). The extension leverages Chrome's declarativeNetRequest API to safely set the origin to look like a browser extension.
The extension runs completely locally. It is open-source and lightweight (containing just a header modification rule and a basic messaging script). We never collect, store, or transmit any of your data or typed text.
Due to strict Chrome Web Store policies regarding network header manipulation, this extension must be loaded as an unpacked directory in Developer Mode. The process is completely safe and takes less than a minute:
Click the button below to download the extension source code package to your machine:
β¬οΈ Download Extension Helper (ZIP)Unzip the downloaded extension.zip file into a dedicated folder on your computer. Make sure you keep this folder in a safe place, as you should not delete it after the installation.
Open a new tab in your Chromium browser (Chrome, Microsoft Edge, Brave, Cα»c Cα»c, Opera) and navigate to:
chrome://extensions/ (or edge://extensions/ if using Edge)
In the top-right corner of the Extensions page, locate the Developer mode switch and toggle it **ON**.
Click the Load unpacked button in the top-left corner.
In the file browser dialog, select the extracted folder from Step 2 (the folder containing manifest.json).
Once you see the status badge above turn green showing "Active", you can go back to the home page to experience instant, uninterrupted, high-performance voice generation!
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