IIF Editor - Free, in-browser QuickBooks IIF file viewer & validator

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Open, validate, edit, and export QuickBooks IIF files online. 100% private — your financial data never leaves your browser. No signup required. Free forever.

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Hey everyone! I built IIF Editor because handling QuickBooks IIF files usually means digging through raw tab delimited text or paying for desktop software just to check a file for errors. This tool runs entirely in your browser: open, validate, and edit IIF files, convert them to JSON or XML, diff and merge two files side by side, and even import from CSV. Nothing is uploaded anywhere, so your financial data stays on your machine. Would love to hear your feedback!

Love how it keeps everything inside QBO with no extra account needed. The color-coded client switcher is a nice touch for anyone juggling multiple books.

The colour-coded client switcher is such a smart touch for anyone juggling multiple QBO accounts, and the ⌘K search actually feels faster than QBO's native search.

Love that this speeds up QBO navigation without leaving the platform. One idea: add an option to create custom keyboard shortcuts for workflows you use most, like running a specific report or approving batches of invoices. The 55 built-ins cover a lot, but accountants have their own repetitive steps and being able to bind those would make QuickBoost feel truly tailored.

Finally a fix for the endless QBO clicking — the ⌘K palette feels snappy and the coloured client switcher is a nice touch for juggling multiple books. Wish I'd found this sooner.

Cmd-K is great, but please consider adding the ability to trigger it with a single customizable hotkey like `;` so I can keep my hands on the home row. Most accounting days I am already in spreadsheets and reaching for Cmd is a small but constant friction.

The color-coded client switcher is a really thoughtful touch for anyone juggling multiple QBO accounts, and the keyboard shortcuts feel like they were designed by someone who actually lives in QuickBooks every day.