Claspt — Password Auto-Fill

Companion extension for the Claspt desktop password manager — auto-fills credentials on web pages from your local vault.

Claspt brings your encrypted vault to the browser. Auto-fill logins, generate strong passwords, and manage credentials — all connected to your Claspt desktop app. YOUR VAULT, YOUR BROWSER Claspt is a local-first password manager. Your passwords stay encrypted on your device — never uploaded to our servers. The browser extension connects to the Claspt desktop app running on your machine via a secure local API (localhost only). FEATURES 🔑 Auto-Fill Credentials • Detects login forms automatically • Shows matching credentials for the current site • One-click fill for username and password • Smart domain matching — finds credentials for subdomains too 🔍 Search Your Vault • Search across all your credentials from the popup • Search within the inline dropdown on any password field • Filter by: Matching, Same Domain, or All ⚡ Password Generator • Generate strong passwords directly in the browser • Preview, regenerate, copy, or fill — all without leaving the page • Adjustable length, presets (Strong 20 / Long 32 / PIN 6) • Strength meter with real-time feedback 👤 Identity Auto-Fill • Store personal information (name, email, phone, address) • Fill forms with one click — registration, checkout, contact forms • Data stored encrypted in your Claspt vault 📋 Save New Credentials • Captures logins when you sign up or change passwords • 7 templates: Password, API Key, SSH Key, Env Variable, License Key, Credit Card, Custom • Saved directly to your Claspt vault with encryption 🔒 Security • Connects only to localhost (127.0.0.1) — no external network requests • API token authentication between extension and desktop app • Credentials never leave your machine • Domain validation prevents cross-site credential leakage • Open for security audit REQUIREMENTS • Claspt desktop app installed and running (macOS, Windows, or Linux) • Local API enabled in Claspt: Settings → Integrations → Local API • API token configured in the extension settings HOW TO SET UP 1. Install Claspt desktop app from https://claspt.app/download 2. Open Claspt → Settings → Integrations → Enable Local API 3. Copy the API token 4. Click the Claspt extension icon → Settings → paste the token 5. Click Test Connection — you're ready to go KEYBOARD SHORTCUTS • Ctrl+Shift+L (Cmd+Shift+L on Mac) — Fill credentials for current page • Right-click any field → "Fill with Claspt" or "Generate password" PRIVACY Claspt never sends your passwords to any server. The extension communicates only with the Claspt desktop app on your local machine (127.0.0.1). No analytics, no tracking, no cloud storage. Your data belongs to you. Learn more: https://claspt.app Documentation: https://docs.claspt.app Support: [email protected]