Short blurb
- 'Fast validators for devs' -> 5 words
text validator
Count words and characters instantly while drafting copy.
Counts words by whitespace separation.
Character count includes spaces.
Runs locally; text isn’t stored.
web
JSON-LD SEO Validator & Rich Result Schema Checker
Validate rendered JSON-LD structured data for schema.org syntax, rich-result readiness, visible-content alignment, and crawlable schema blocks before publishing.
data
IMEI Validator
Validate IMEI numbers with Luhn checksum client-side.
format
Plist Validator
Validate Apple plist files (XML or binary/base64) locally with clear errors.
web
Web App Manifest SEO Validator & PWA Install QA
Validate manifest.json locally for PWA installability, mobile install metadata, app names, start_url, display mode, theme colors, and icon entries before launch.
Counts only; does not analyze sentiment or grammar.