How to Extract Text in Multiple Languages with On-Device OCR
Extracting international scripts — German, Spanish, French, Portuguese, or Simplified Chinese — from locked web apps without sending proprietary documents to a remote cloud OCR API.
Feature Live in GoFully v1.1.2
Multi-language OCR is officially live in GoFully v1.1.2! Powered by local WebAssembly, you can now extract text in English, Spanish, French, German, Portuguese, and Simplified Chinese without sending a single byte to an external server. Track our full journey on the interactive roadmap.
The Dilemma: Why Cloud Translation APIs Compromise Security
Engineering teams, localization managers, and analysts frequently need to copy foreign text from UI screenshots, video streams, or international SaaS dashboards. However, traditional browser extensions send screen pixels to third-party cloud servers (like Google Cloud Vision or AWS Rekognition) to run OCR.
This presents critical compliance risks:
- GDPR & Data Sovereignty: Pixels containing European customer data leave EU boundaries.
- Confidential Financials: German or Japanese enterprise contracts cannot be uploaded to unverified OCR proxies.
- Latency: Network round-trips can take 2–5 seconds, breaking rapid debugging flows.
How GoFully Multi-Language OCR Works On-Device
GoFully avoids remote API dependencies entirely. In GoFully v1.1.2, language dictionaries are fetched on-demand once and cached directly in your browser's IndexedDB sandbox.
1. Dynamic Language Loading
Only download the language models you need (e.g. Spanish, German, Japanese) without bloating your extension footprint.
2. Local WebAssembly Execution
Pixel matrices are processed directly via your computer's CPU using SIMD-accelerated WebAssembly inside a background Service Worker.
3. UTF-8 Preserving Output
Accents, umlauts, kanji, and non-Latin character spacings are rendered faithfully to the clipboard with one-click copy.
4. Zero Cloud Exposure
No images or extracted strings ever leave your device. 100% compliant with SOC 2, HIPAA, and internal security policies.
Step-by-Step: Extracting International Text in v1.1.2
Step 1: Capture Selected Region
Press Alt + S (or your custom shortcut) and drag a box across the foreign text, graphic, or video frame.
Step 2: Select Target Language
In the preview toolbar, click the OCR dropdown. Select Auto-Detect or specify the source script (e.g., Español, Deutsch, 日本語, Français).
Step 3: Click 'Extract Text'
The local WASM core processes the bounded bitmap in under 400ms. An editable text area pops up with the recognized characters.
Step 4: Copy to Clipboard
Click 'Copy Text' and paste directly into Google Translate, DeepL, VS Code, or your issue tracker.
Related Capture & OCR Guides
Explore more workflows for unselectable text and high-precision visual documentation:
Related Guides & Tutorials
How to Set Custom Keyboard Shortcuts for Fast Screen Capture
Trigger full page scrolling capture, visible area snapshots, or selected region OCR with shortcuts.
How to Use the Highlighter Tool in Screenshots Without Obscuring Text
Emphasize key UI metrics and paragraphs with CleanShot-grade multiply blending.
How to Draw on Any Live Website and Capture It with Your Marks
Use GoFully's Draw on Page to sketch arrows, highlight text and add sticky notes right on a live website, then capture the visible area or the full page with your marks in place.
Ready to capture and extract without cloud leaks?
100% free, 100% on-device, and zero accounts. Install GoFully today to capture, redact, and extract text with v1.1.2.
Add GoFully to Chrome — It's Free