Free Tools & Calculators
Free browser tools and calculators for SEO ops, markdown conversion, metadata checks, and quick workflow utilities.
Video Trimmer
Trim uploaded videos with start/end controls directly in the browser.
ASCII Art Generator
Generate stylized ASCII text banners for CLI headers, comments, and terminal apps.
Open Graph Preview Tool
Inspect and validate Open Graph and Twitter card tags for any URL with quick previews.
Sitemap Validator
Verify XML sitemaps for structural integrity, URL limits, required tags, and SEO compliance.
Sitemap URL Extractor
Extract and export every URL from XML sitemaps for content auditing and site migration.
Sitemap URLs Comparison Tool
Compare two sitemaps to quickly identify added, removed, and unchanged URLs during migrations.
XML Sitemap Generator
Generate compliant XML sitemaps from URL lists with customizable changefreq and priority values.
Sitemap Split/Merger Tool
Merge URL lists and split them into SEO-compliant chunks with an automatically generated index file.
Sitemap Index Generator
Build a sitemap index XML from multiple sitemap URLs for enterprise or large-scale websites.
Sitemap to Robots.txt Generator
Generate standard robots.txt files with user-agent rules, crawl delays, and sitemap references.
Sitemap Frequency Analyzer
Analyze changefreq and priority distributions across sitemap XML files to optimize crawl budgets.
Convert HTML to Markdown
Transform HTML snippets into clean Markdown for docs and LLM context windows.
Convert JSON to Markdown
Flatten JSON objects and arrays into readable Markdown tables and lists.
Convert CSV to Markdown
Parse tabular CSV data into aligned Markdown tables for reports and READMEs.
Convert XML to Markdown
Convert XML datasets into digestible Markdown trees and summaries.
Convert Paste to Markdown
Format raw clipboard text into structured Markdown paragraphs, lists, and headings.
Email Signature Generator
Build a professional HTML email signature with live preview and one-click copy.
Chatbot ROI Calculator
Estimate support automation savings and ROI from chatbot deflection rates.