Your data never leaves your machine

The monthly file headache.

Intoone merges, cleans and replays your CSV/Excel exports — right in your browser, no Python, no VLOOKUP, no dev.

Launch IntooneNo sign-up required to get started.
Intoone turns several monthly files into a single clean result, ready to export.
100% in the browser

Processing runs locally (WebAssembly). Nothing is sent to a server.

No file upload

Your CSV/Excel files stay on your machine from start to finish.

Privacy by design

No account needed to start, no collection of your content.

How it works

Intoone automatically groups the dropped CSV/Excel files by their shared columns.
1

Drop your files

Drag in your monthly CSV/Excel. Everything stays in your browser.

Preview of the merged data in Intoone, ready to transform without a line of code.
2

Build the recipe

Merge, rename, filter, dedupe, normalize — without a line of code.

Intoone turns several monthly files into a single clean result, ready to export.
3

Export (and replay)

Get a clean file. Save the recipe for next month.

What Intoone does for you

CSV/Excel merge

Combine several monthly files into a single clean export.

Business transformations

Rename, filter, deduplicate and normalize your columns.

Automated replay

Pro

Save your process and replay it every month.

Who is it for?

Small-business owner

You consolidate exports from several tools by hand in Excel, every month.

Operations assistant

You clean, deduplicate and reformat tables before passing them on.

SMB operations lead

You want a reliable, replayable process without relying on a dev or a macro.

Frequently asked questions

Are my files sent to a server?

No. All processing runs in your browser (WebAssembly). Your data never leaves your machine.

Do I need to install anything?

No, Intoone runs in the browser. A desktop version is planned later.

Which formats are supported?

CSV and Excel (.xlsx), both as input and output.

Do I need to know how to code?

No. No Python, no VLOOKUP, no macros — everything is point-and-click.

Is it free?

Yes, the essentials are free. A Pro plan is coming (including monthly automated replay).