Private playback for bank CSVs

Catch the skip before it hits your ledger.

Map a statement, find repeat transactions, and prove the opening and closing balances agree. Your file stays in this browser—no account connection, no upload.

Check a CSV

Works offline
No sign-in
You own the exports

A transparent cassette beside a red pencil and an abstract ledger receipt on textured paper — One local copy. Three checks. A receipt you can keep.

01LoadChoose a statement
02MapAlign the columns
03CheckKeep the evidence

Track 01 / source

Load the bank export

CSV, TSV, or semicolon-separated. The first row must contain column names.

Choose CSV or drop it on this workbench

Nothing leaves this device. The draft is kept in browser storage so a refresh does not erase your place. Browser data can be cleared; download a backup for durable safekeeping.

Restore draft backup

Track 02 / alignment

Tell us which column is which

We guessed from the headings. Confirm the tracks before running the check.

Date column Description column Date order

Amount layout One signed amount Debit + credit

Amount columnPayments should be negative; deposits positive. Running balance optionalThis pinpoints where a missing row starts.

Statement label Currency code Opening balance Closing balance

Preview the first 3 source rows

Track 03 / evidence

Reconciliation receipt

Review every marked row before exporting.

Transactions in chronological order. Uncheck Include to mute a row from the cleaned export and balance calculation.
Include	Date / description	Amount	Running balance	Finding

This checks file consistency only. It is not financial, accounting, or tax advice.

Optional one-time unlock

Proof Kit keeps the paper trail.

The free checker always includes duplicate detection, balance checks, cleaned CSV, receipt export, and draft backups. Proof Kit adds a local 50-receipt index for recurring monthly work.

$12 once · no subscription · checkout and refunds handled by Sociobot/Dodo

Buy Proof Kit

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Catch the skip before it hits your ledger.

Load the bank export

Tell us which column is which

Reconciliation receipt

Proof Kit keeps the paper trail.

Local receipt index