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MultiProfile Autofill
Intelligent autofill with profiles & anti-paste bypass
MultiProfile Autofill is a smart, privacy-first form filler for Chrome: • Profiles: Seamlessly switch between Personal, Work & Custom profiles. • Anti-Paste Bypass: 3-tier insertion overcomes sites blocking Ctrl+V. • Accurate: Smart heuristic detection in 6 languages avoids wrong fields. • Cross-Frame & Undo: Supports payment iframes and instant 1-click undo. • 100% Private: Operates completely offline with zero network calls and no tracking.
Hi Product Hunt community! 👋
I'm Rocco Caruso, the creator of **MultiProfile Autofill**.
Like many of you, I deal with web forms every day—whether signing up for services, purchasing online, or handling administrative portals. Over time, I grew increasingly frustrated with two recurring problems:
1. **Context mixing:** Default browser autofill lumps personal, work, and freelance details together, often guessing wrong. Heavy password managers, on the other hand, require complex configurations just to manage different profiles.
2. **Anti-paste roadblocks:** Banking sites, checkout portals, and government platforms that disable `Ctrl+V` or block clipboard events, forcing you to re-type long IBANs, tax codes, or confirmation emails by hand.
I built **MultiProfile Autofill** to solve these issues once and for all: fast, reliable, zero configuration, and 100% private.
### 🌟 What makes it different?
- 👥 **Multiple Profiles:** Seamlessly switch between Personal, Work, or Custom profiles with one click or a keyboard shortcut. It even remembers your preferred profile for each specific website.
- 🔓 **3-Tier Anti-Paste Bypass:** When a field blocks pasting or synthetic input, the engine automatically cascades through native setters, `execCommand`, and human-like keystroke simulation (12ms per key) to ensure values are entered successfully.
- 🎯 **Smart 6-Language Heuristics:** Whole-word scoring across EN, IT, FR, DE, ES, and PT. It understands context, eliminating annoying false positives (e.g. no more pasting your last name into a first-name field, or mistaking a CAPTCHA for a ZIP code).
- 🖼️ **Multi-Frame & Cross-Origin Support:** Works smoothly across nested payment and checkout iframes.
- ↩️ **Full Form Undo:** Revert every filled field on the page with a single click if you ever change your mind.
- 🔒 **100% Offline & Privacy-First:** No analytics, no tracking, and zero external network calls. Your data stays securely stored in your browser’s private storage, with optional JSON backups and optional encrypted Chrome Sync.
- 📏 **Zero Data Truncation:** It respects field rules (`maxlength`, `pattern`) without ever silently cutting off phone numbers or sensitive values. If a field isn't compliant, it notifies you immediately.
The extension is **100% free** (no ads, no paywalls) and built purely with lightweight Vanilla JS (Manifest V3).
👉 You can grab it directly on the [Chrome Web Store](https://chromewebstore.google.co...).
About MultiProfile Autofill on Product Hunt
“Intelligent autofill with profiles & anti-paste bypass”
MultiProfile Autofill was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #63 on the daily leaderboard. MultiProfile Autofill is a smart, privacy-first form filler for Chrome: • Profiles: Seamlessly switch between Personal, Work & Custom profiles. • Anti-Paste Bypass: 3-tier insertion overcomes sites blocking Ctrl+V. • Accurate: Smart heuristic detection in 6 languages avoids wrong fields. • Cross-Frame & Undo: Supports payment iframes and instant 1-click undo. • 100% Private: Operates completely offline with zero network calls and no tracking.
On the analytics side, MultiProfile Autofill competes within Chrome Extensions, Productivity and Privacy — topics that collectively have 725.4k followers on Product Hunt. The dashboard above tracks how MultiProfile Autofill performed against the three products that launched closest to it on the same day.
Who hunted MultiProfile Autofill?
MultiProfile Autofill was hunted by Rocco Caruso. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of MultiProfile Autofill including community comment highlights and product details, visit the product overview.
Rocco Caruso