Free Online Tools
Powerful, privacy-first tools for developers, marketers, and business owners. All tools run 100% in your browser — no signup, no data uploaded.
18 tools available — more coming soonDevelopment Tools
5 toolsHTML Minifier & Beautifier
Minify or beautify HTML with 10-step optimization. Remove comments, whitespace, optional tags, and more.
FreeCSS Minifier & Beautifier
Minify or beautify CSS. Shortens hex colors, compresses shorthand, removes vendor prefixes. 3 presets.
FreeJS Minifier & Beautifier
Minify or beautify JavaScript with a full tokenizer. Removes console logs, shortens booleans. 3 presets.
FreeJSON Formatter & Validator
Format, minify, and validate JSON. Interactive tree view, auto-repair, JSONC support.
FreeJSON Validator, Schema & Diff
Validate JSON with multi-error detection. Generate schemas, compare two JSON objects side-by-side.
FreeEncoders & Decoders
4 toolsServer & Network
4 tools.htaccess Generator
Generate Apache .htaccess with 8 modules: redirects, security headers, caching, CORS, URL rewriting. 6 presets.
FreeHTTP Header Checker
Analyze security, performance, and SEO headers with A+ to F grading. Fix code for Apache, Nginx, IIS, Cloudflare.
FreeIP Address Lookup
Find geolocation, ISP, timezone, ASN, and VPN/proxy status for any IP. Interactive map, bulk lookup, CSV export.
FreeDNS Lookup
Query 10 DNS record types. Check propagation across 8 global resolvers. SPF/DKIM/DMARC email security analysis.
FreeSEO & Marketing
5 toolsSERP Snippet Preview
Preview how your page appears in Google search results. Pixel-accurate title and description check with desktop and mobile views.
FreeMeta Tag Generator
Generate complete HTML meta tags for SEO, Open Graph, and Twitter Cards. Live Google, Facebook, and Twitter preview.
FreeOpen Graph Previewer
Preview how your page appears when shared on Facebook, LinkedIn, Discord, Slack, and Twitter/X. Check OG tags across 5 platforms.
FreeKeyword Density Checker
Analyze keyword frequency and density for 1, 2, and 3-word phrases. Over-optimization warnings, stop word filtering, CSV export.
FreeReadability Checker
Analyze content readability with 6 formulas: Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, and ARI. Grade level scores and improvement suggestions.
Free