Validate .htaccess files against 30+ known Apache directives. Checks RewriteEngine, RewriteRule, ErrorDocument, Redirect, Header, Options, and block directives. Flags unknown directives. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Validate GeoJSON objects against the GeoJSON specification. Checks feature, geometry, point coordinates, FeatureCollection structure, and bounding box format.
Validate GraphQL schema syntax and structure. Detect missing root types, unknown type references, and common schema issues.
Validate Content Security Policy headers against W3C spec and common pitfalls. Code never leaves your device — formatting and validation run locally in your browser.
Validates UPI ID format against 23 known handles (@paytm, @okhdfcbank, @ybl, @sbi, @axl, @icici and more) and generates UPI payment QR codes with merchant name and amount. All local processing.
Validate IBAN structure, length, and mod-97 check digits for 80+ countries. Catch transfer typos before money moves — local ibantools work, free, no signup.
Rewrite, redirect, auth, and caching directives against Apache best practices.
No — it reports problems with line numbers; edits stay yours to make.
No — htaccess is Apache-only; Nginx uses server blocks instead.
No — validation runs locally in your browser, free with no signup.
Nginx Config Generator
Generate Nginx server blocks — reverse proxy, SSL, gzip, caching headers — without syntax hunting. Ship a correct vhost first try — local generation, free, no signup.
robots.txt Validator
Validate robots.txt syntax — user-agents, allow/disallow, sitemaps, wildcards. Catch the Disallow: / that deindexed everything — local validation, free, no signup.