Free tools for growing businesses
Business tools that
ship faster.
Check OG tags across 7 platforms, analyse Core Web Vitals, and more — all in one place, built by Celexsa.
Available Tools
Pick a tool, get to work
SEO
OG Tag Validator
Preview how your page looks when shared on Facebook, Twitter/X, LinkedIn, WhatsApp, Instagram, Threads, and Discord.
1 creditTry it
Analytics
Page Speed Checker
Analyse your website's Core Web Vitals, performance score, and get actionable improvement suggestions.
3 creditsTry it
Development
Markdown Previewer
Real-time split-pane Markdown editor with HTML export and themes.
0 creditsTry it
Development
HTML to Markdown
Convert HTML and rich text to clean GFM Markdown with KaTeX math formulas and tables.
0 credits (1 to save)Try it
Fast & free to start
5 free credits to try every tool. No credit card required.
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Dashboard shows credits, history, and billing in one place.
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Sign in with Google to get 20 free credits every month. No credit card required.
7-platform OG previews
Core Web Vitals
Credit history
GST invoices