Help Center

Quick Start · Install & First Launch

If you’ve just installed GPT Prompt Tester, follow the documents below in order to quickly go from Windows installation to setting your OpenAI API key and running your first prompt.

• How to Install & Update on Windows
• Set Up Your OpenAI API Key
• Run Your First Prompt
• Free vs Pro · What’s the Difference?

macOS and Linux versions are currently in preparation and will be announced via the notice board and download page once available.

User Guide · Playground & Options

Understanding the Playground layout and each option will significantly improve the speed and efficiency of your prompt experiments.

• Explore the Playground Layout
• Understanding Model Options · Temperature · Max Tokens
• Web Search & Reasoning Options Explained
• Variable System & Sample Preview

Pro Features Guide · Multi-Panel, Templates, History

With a Pro license, you gain access to multi-panel layouts, template management, and advanced execution history features— enabling production-level prompt asset management.

• Run Comparative Experiments with Multi-Panel Playground
• Manage Prompts with Project · Template · Version Structure
• Advanced Execution History · Search/Filter · Backup/Restore

A summary of Pro features and pricing is also available on the Pricing Page.

OpenAI Usage Dashboard Guide

GPT Prompt Tester records tokens, cost, latency, and tool usage for each request, providing a dashboard to analyze OpenAI usage by time period, model, and tool.

• Understanding Dashboard Summary Cards
• View Daily/Weekly/Monthly Cost & Call Trends
• Interpret Model Latency & Tool Usage Ratios
• Usage by Project/Template (Pro)
• Export/Import Usage Data

Writing Studio Guide · From Topic to WordPress Publishing

The Writing Studio follows a 5-step workflow (Topic → Title Suggestions → Writing Style → Draft Generation/Edit → WordPress Publishing).
The goal is simple: use smart suggestions when you’re stuck, manage drafts through history, and publish seamlessly in one flow.

• See the Full 5-Step Flow at a Glance
• 1) Choose a Topic · Get Prompt Suggestions When Stuck
• 2) Get Title Suggestions from GPT · Pick Your Favorite
• 3) Set Writing Style · Tone/Length/Audience
• 4) Generate & Edit Draft · AI Rewrite Selection (Pro)
• 5) Publish to WordPress · Categories/Tags/Summary
• Draft History · Save/Load/Manage
• Writing Prompt · Model Settings & History
• Check Your API Cost Usage
• Writing Studio – Free vs Pro Differences

Image Maker · Generate → Gallery → Compare → Style Presets

Image Maker is more than just image generation.
It provides a complete workflow—from creation to management, comparison, and iteration.
Not just a single click, but a repeatable creative loop.

• 1. Feature Overview
• 2. Workspace · Create Images
• 3. Gallery · Manage Results
• 4. Compare · Side-by-Side Results
• 5. Style Presets · Remix
• 6. Theme-Based Input Guide
• 7. Image Maker – Free vs Pro Differences
• 8. FAQ (Errors & Limitations)

License · Activation · Policy Information

License types, device (PC)-based activation, device replacement, and related policies are explained in detail in the documents below.

• License & Activation Guide
• License Policy
• End User License Agreement (EULA)
• Terms of Service
• Privacy Policy
• Refund & Cancellation Policy

FAQ & Troubleshooting

Find answers to common questions and solutions to typical issues when using GPT Prompt Tester. This section covers topics such as application usage, Writing, Image Maker, OpenAI API costs, and license activation.

• Is GPT Prompt Tester a web service? Where is my data stored?
• How does the Writing feature work?
• Why is the Generate button disabled in Image Maker?
• Does the Pro plan include OpenAI API usage costs?
• License activation errors or device change issues

You can find more questions and solutions in the full FAQ document below.

View the full FAQ & Troubleshooting guide →

If your issue cannot be resolved through the documentation, please contact us at boxkeeper@easymbox.com with detailed information about your environment and the error message. We will respond as soon as possible.