[SYS.TOOLS // FREE UTILITY GRID]FREE TOOLS.
FREE TOOLS.
NO SIGNUP. NO LIMITS.
Everything runs in your browser — nothing is uploaded, nothing is stored.
The same utilities our engineers and outbound operators use daily, released free. Use them, export the output, and keep the files.
[ TOOL GRID ]
[ UTIL.01 ]
SEO & Performance Checker
Scan any live URL for 24 SEO, speed and accessibility signals.
Open →[ UTIL.02 ]JSON / Schema Validator
Validate JSON and generate Organization, LocalBusiness and FAQ JSON-LD.
Open →[ UTIL.03 ]Meta & OG Preview
Google SERP and social card previews with pixel-width truncation warnings.
Open →[ UTIL.04 ]robots.txt + sitemap.xml
Generate and download both crawl files, AI bots included.
Open →[ UTIL.05 ]UTM Campaign Builder
Build tagged URLs and export the whole campaign set as CSV.
Open →[ UTIL.06 ]Programmatic SEO Titles
Template x variable lists into thousands of titles, exported to CSV.
Open →[ UTIL.07 ]Cold Email Spam Score
Score cold email copy on trigger words, links, caps and length.
Open →[ UTIL.08 ]Slug / Base64 / JWT / Regex
Four developer micro-tools in one panel.
Open →