Check
Find delivery blockers and confusing file names before publishing.
Local-first tools for digital sellers
Check your delivery files before buyers do. Then turn a messy folder into clear instructions, version records, and support-ready documentation—without uploading customer files.
Your files stay in this browser. No account required.
File count
5 / 5✓Largest file
8.2 MB✓Buyer guidance
Missing!Duplicate names
None✓Free tool
Select the exact files you plan to attach to an Etsy listing. We check file count, size, zero-byte files, duplicate names, risky filenames, ZIP signatures, and expected files.
or choose the exact files from your listing folder
Nothing leaves this page. File contents are read only to validate ZIP headers and create SHA-256 checksums.
The workflow
Three focused tools. No bloated seller dashboard. Use only the part that removes work today.
Find delivery blockers and confusing file names before publishing.
Generate branded buyer instructions, FAQs, and calm support replies.
Record versions, checksums, changes, and customer update notes.
The toolkit
Launch pricing stays fixed through the first 400 qualified product views.
01 / PREFLIGHT
A private preflight for the exact files in your digital listing.
02 / BUYER CARE
Turn product details into calm, branded buyer instructions and replies.
03 / RELEASES
Know exactly what shipped, what changed, and what buyers should receive.
04 / COMPLETE SYSTEM
The complete local-first handoff and release workflow for one business.
Paid tools are available on Gumroad. Enter LAUNCH15 at checkout for 15% off during the launch offer.
Practical field notes
A practical handoff pattern that answers the buyer’s first three questions before they ask.
Read guide →02 / GUIDEPlan around five files and the per-file size cap without turning delivery into a puzzle.
Read guide →03 / GUIDEA calm naming convention for formats, sizes, versions, and START HERE documents.
Read guide →Start with the free check