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AI Fake Filler — Smart Form Autofill for Developers & Testers

TL;DR:
AI Fake Filler is a free Chrome extension that uses AI to auto-fill forms accurately — saving time for developers, testers, and teams working with multilingual or complex input validation forms.


The Problem

If you’ve ever tested a large form with 20–30+ fields — especially in another language (like Japanese) — you know how repetitive and time-consuming it can be.

At our outsourcing team for the Japanese market, we constantly face:

  • Testers spending too much time entering fake data.
  • Auto-fill extensions filling irrelevant data (like names into address fields).
  • Validation errors because of wrong formats (e.g., phone numbers, Furigana fields).
  • Inaccurate fake data that breaks demo sessions or slows QA cycles.


The Solution: AI Fake Filler

AI Fake Filler is a Chrome extension that leverages AI to understand the context of each field — generating fake but valid and semantically relevant data.

Key Features

  • 💡 Context-aware AI generation — understands labels like “Furigana”, “Phone”, “Email”, etc.
  • 🌏 Multi-language support — not limited to English; works on Japanese and other forms.
  • ⚙️ Validation-safe — fills only valid formats based on input type.
  • 🧩 Works anywhere — from internal QA sites to Google Forms or signup pages.
  • 🆓 100% free to use — no registration required.

🔗 Try it now: AI Fake Filler on Chrome Web Store


Under the Hood (Tech Peek)

(Add from website once available — e.g., OpenAI API, DOM analysis, schema detection, or prompt engineering details.)

Example:

AI Fake Filler analyzes the form’s DOM structure and field labels, then uses a lightweight AI model to infer what type of data belongs there. It adapts dynamically — generating context-aware entries that pass validation checks.


Real-World Impact

In real testing scenarios:

  • Reduced form-filling time by up to 90%.
  • Enabled non-native QA teams to test Japanese forms without translation barriers.
  • Streamlined demo sessions — no more slow manual data entry.

Future Improvements

We’re exploring:

  • 🧠 Fine-tuning AI models for domain-specific data.
  • 🧰 Adding “testing profiles” (e.g., short/long text validation).
  • ⚡ Integrating with Selenium or Playwright pipelines.

Feedback & Contribution

AI Fake Filler started as an internal painkiller — and it’s now free for everyone.
We’d love to hear your feedback, ideas, and real-world cases to improve it further.

👉 Try it out here: AI Fake Filler

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