AsinInfo

Asininfo is a web app for Amazon identifier conversion and package dimensions lookup. Turn ASINs into UPC, EAN, ISBN, or GTIN codes (and back), or pull FBA package size and weight, then download CSV from the dashboard.

Tools (all accounts unlock every tool)

ASIN → UPC / EAN / ISBN / GTIN, Paste ASINs → get the barcode Amazon publishes on the listing.

UPC / EAN / ISBN / GTIN → ASIN, Paste supplier barcodes → get the matching Amazon ASIN, title, and brand when available.

ASIN Dimensions, Paste ASINs → get length, width, height, weight, units, and FBA fee category when Amazon publishes them.

How it works

1. Create an account (100 free credits).
2. Pick a tool and Amazon marketplace.
3. Paste up to 1,000 identifiers (newline, comma, or space separated).
4. Track the background job, review results in a table, copy or export CSV.

Credits

| Action | Credits | | --- | --- | | Successful identifier or dimension lookup | 1 | | Failed row (invalid input, no match, no data) | 0 | | Cached repeat lookup (within cache window) | 0 |

Credit packs (USD, no subscription):

| Pack | Credits | Price | | --- | --- | --- | | Starter | 5,000 | $5 | | Growth | 25,000 | $20 | | Pro | 100,000 | $70 |

Credits never expire. Purchase history appears on the Buy Credits page; usage is recorded in Lookup History and the credit ledger.

Exports and data review

• Download completed jobs as CSV.
• Copy results to the clipboard from the results table.
• Reopen past jobs from Lookup History (last 50 entries).
• Column headers use technical English field names.

Account and security

• Email-based registration, login, and password recovery (security questions).
• Lookup jobs, history, and exports belong to the signed-in account only.
• Payment webhooks use server-side signature validation and idempotent fulfillment.