CSV import rejected?
Find the bad rows first.
This free check runs entirely in your browser. Paste synthetic rows with id,email,amount headers. It reports duplicate IDs, invalid email fields and malformed amounts. Amounts are interpreted as SEK.
Press Check sample.No upload, tracking or storage of your pasted rows. This page does not contact production systems. Use synthetic examples; never paste secrets or private customer records.
Need your actual format repaired?
For 990 SEK total or exactly 99 Base USDC, we repair one agreed mapping or validation step. You see passing test examples before payment. Then receive the source file, tests and integration instructions. AI-assisted, email-only work.
Email only a sanitized input, current output, expected output and permission to share. Do not send a production export. The free checker uses a fixed example schema; a custom deliverable is scoped separately.