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Finance Studio

Smart Ledger Studio

Manage your expenses locally with global currency support. Securely backup and restore your database via JSON.

Zero-Server Finance
$0
0 Entries Recorded

Add New Transaction

Ledger History

Your ledger is empty

Start by adding your first transaction.

Unified Backup Strategy

How Spectragen handles your financial data without ever seeing it.

1. The JSON "Database"

Since we don't store your data on our servers, we use your browser's **Local Storage** as a temporary workspace. To make this data permanent, you must export it as a **JSON file**. Think of this file as your personal, portable database. It contains every transaction and your currency settings in a format only Spectragen can read.

Backup JSON

This button saves your entire current ledger into a small file on your computer. **Do this after every major update.** It's your only way to recover data if you clear your browser cookies.

Restore JSON

If you find your ledger empty, click this and select your previously saved Spectragen backup file. The system will instantly repopulate your history and currency settings.

2. Professional PDF Reporting

Need a human-readable copy? The PDF option generates a clean, structured report of your ledger. It's perfect for printing or sharing when you need a visual summary instead of raw data.

Disclaimer: Spectragen is a utility suite provided "as-is". We are not responsible for accidental data loss due to browser cleaning, hardware failure, or failure to maintain JSON backups.

How to Use & FAQs

Guide: Mastering Your Ledger

  1. Set Your Currency: Choose between USD, INR, EUR, JPY, or GBP. Note: You must clear entries to change currency once you start recording.
  2. Record Expenses: Enter the amount, a short description, and the date of the transaction.
  3. Review History: Use the search bar to filter through your transactions instantly.
  4. Periodic Backups: Always click "Backup JSON" after adding important data. This file is your only real safeguard.
  5. Export Reports: Generate a PDF when you need a visual summary for personal or business review.

Why Use This Tool?

  • Absolute Privacy: Your financial habits never leave your machine. No tracking, no cloud accounts.
  • Offline Capability: Works even without an internet connection once the page is loaded.
  • Fast & Simple: No complex accounting jargon. Just a smart, clean ledger for daily use.