FILE PREP LAB
Terms of Use
Last updated October 16, 2026.
The current service
FilePrepLab provides free browser tools for paperback cover dimensions, ISBN barcode SVGs, scoped KDP royalty estimates, supported image-resolution metadata and existing shipping-label PDF cropping. The site provides file-preparation tools; it does not publish, print, register ISBNs, buy postage or ship goods for you.
Your inputs and output checks
Use files and ISBNs you are entitled to use. A format or checksum check does not establish ISBN ownership or registration. Review your input settings and inspect every generated file before using it in a publishing or printing workflow.
Calculations and illustrations apply only to the scope shown by each tool. Cover dimensions alone do not make an upload-ready cover. A royalty estimate is not a prediction of sales or total business profit. Changing image-density metadata does not create new image detail. A manual PDF crop does not certify a barcode or securely redact information.
Confirm final specifications and acceptance with the relevant platform or print provider. FilePrepLab does not guarantee Amazon approval, printer color matching or physical barcode scanning.
Digital files and ordering
The paperback PSD purchase button opens Waffo’s separate hosted checkout. The online ISBN SVG generator remains free.
The paperback PSD working files are priced at USD $4.99 for a one-time purchase: 12 blank 150-page PSD files, editing instructions and checksums. No Canva link, finished artwork, hardcover or ISBN files are included. Files are released privately only after a completed payment for the correct product is verified. Existing free tools remain free. The optional Amazon FBA Thermal Box Label & FNSKU Batch Suite is a separate USD $4.99 one-time purchase for box batches over three selected labels and exports mixing multiple supplied FNSKUs. The optional Shopify Bulk CSV Image Expander & Validator is another separate USD $4.99 one-time purchase for full export and optional empty-URL cleanup. Its free export remains limited to complete product groups within 20 Handles and 100 output data rows; technical file limits still apply to full export. Each purchase unlocks only its named tool. Earlier PDF or PSD orders do not include either optional tool.
Refunds and cancellation
14-day money-back guarantee. If you change your mind within 14 days of purchase, email support@filepreplab.com with your order number and payment email to request a refund. This applies to each optional FilePrepLab product listed above. Refunds are processed through the payment provider. Nothing limits statutory consumer rights.
A return link or receipt screenshot alone does not authorize a file or tool access.
Recovering your purchase
Keep your order number and payment email. Re-download your PSD ZIP anytime through Order status. For the FBA batch suite and Shopify Full Export, reopen the original tool and use its dedicated order form to restore that product’s access. Purchase recovery stays available without a FilePrepLab account; verification checks the actual matching paid order each time. Browser sessions can expire, so retain your receipt and source files. Refunds or chargebacks can end access to the refunded purchase.
Independent service and external websites
FilePrepLab is independent and is not affiliated with or endorsed by Amazon KDP or Amazon Merch on Demand. Brand names identify the relevant services. An ISBN barcode produced here is not an official authorization or registration certificate. External websites have their own requirements and policies.
Privacy and support
Read our Privacy notice for browser processing, optional analytics, hosting requests and messages sent to support. For questions about these terms or a tool problem, email support@filepreplab.com. Include the tool page and error details; avoid sending identity documents, payment-card details or a full manuscript.
Your legal rights
Nothing in these terms removes mandatory rights that apply to you under applicable law. This page does not add an arbitration requirement, a particular governing-law choice or a new paid-service refund restriction.