Validators · 100% free
SKU Format Validator
Validate SKU strings against your format rules (length, prefix, allowed chars), bulk validation.
Inventory
Total SKUs
5
Valid
3
Invalid
2
badSKU
***INVALID
About this tool
Bulk validate SKU codes against a regex or length/prefix rule. Useful for catalog audits before import.
More free tools
See all tools → Validators
Mastodon Post Character Counter
Count characters for Mastodon posts (default 500 chars; instance admins can configure higher).
Validators
Bulk Image URL Checker
Paste image URLs from your product feed and see which load, which 404, and which dimensions break shopping channels.
Validators
TikTok Shop Feed Validator
Validate your product feed against TikTok Shop catalog requirements and category schema.
Validators
Wish Feed Validator
Validate your Wish merchant feed (TSV) for MSRP compliance, image URLs and required shipping fields.
Free forever · No card
Why wait? Try it free today.
Stop managing feeds manually. Start optimising with AI in 30 seconds.
- 100% free forever, no credit card required
- 1 brand, 1 feed, 100,000 products per feed
- Full AI Product Optimisation, Rule Engine, and 200+ channel exports
- Pay only for AI credits when you need them