Documentation

Zlate is a privacy-first browser extension that enables real-time text translation on any webpage using your own AI API keys. Unlike traditional translators, Zlate allows you to control the tone and nuance of the translation.

Browser Support Status

Google Chrome
Microsoft Edge
Mozilla Firefox
Safari (Coming Soon)

Installation Guide

Google Chrome

  1. Download the source code or release zip.
  2. Navigate to chrome://extensions/
  3. Toggle Developer mode in the top right corner.
  4. Click Load unpacked.
  5. Select the dist/chrome folder.

Microsoft Edge

  1. Navigate to edge://extensions/
  2. Toggle Developer mode in the sidebar.
  3. Click Load unpacked.
  4. Select the dist/edge folder.

Mozilla Firefox

  1. Navigate to about:debugging
  2. Click on This Firefox in the sidebar.
  3. Click Load Temporary Add-on...
  4. Select the dist/firefox/manifest.json file.

API Key Configuration

Zlate requires an API key to function. We do not provide a backend; your key connects directly to the provider.

Groq

Free Tier

Ultra-fast inference using Llama 3. Best for speed.

Get API Key →

Google Gemini

Free Tier

Balanced performance and large context window.

Get API Key →

OpenAI

Paid

Industry standard quality (GPT-4o-mini). Reliable.

Get API Key →

Claude (Anthropic)

Paid

Excellent for nuanced and formal translations.

Get API Key →

DeepSeek

Low Cost

Very cost-effective with high accuracy.

Get API Key →

How to Translate

1

Select & Click (Tooltip)

Highlight any text. A small Zlate icon will appear near your cursor. Click it to open the translation tooltip instantly.

2

Keyboard Shortcut

Highlight text and press Ctrl+Shift+T (or Cmd+Shift+T on Mac).

3

Context Menu

Right-click the selected text and choose "Translate with Zlate" from the browser menu.

Translation Tones

ToneBest Use Case
NeutralGeneral purpose reading.
FormalBusiness emails, official forms.
CasualSocial media, chat messages, slang.
ProfessionalReports, presentations, LinkedIn.
AcademicResearch papers, technical documentation.
SimpleExplaining complex topics (ELI5).

Developer Guide

To build the extension from source, ensure you have Node.js 18+ installed.

# 1. Install dependencies
npm install

# 2. Build for all browsers
npm run build

# Or build for specific browser
npm run build:chrome
npm run build:edge
npm run build:firefox