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Free Tools for the Web

129+ free online tools for WordPress detection, SEO analysis, web development, and content creation. No signup. Privacy-friendly. Mobile-friendly. Free forever.

CMS & Theme Detectors

Identify the technology stack behind any website

SEO Tools

On-page SEO analysis and validation

Meta Tags Analyzer

Extract and analyze every meta tag from any URL.

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Heading Hierarchy Analyzer

Audit H1-H6 structure for SEO and accessibility issues.

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Schema Markup Validator

Extract and validate JSON-LD schema from any page.

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Open Graph Inspector

Preview how a URL appears on Facebook, Twitter, and LinkedIn.

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Sitemap Inspector

Analyze any XML sitemap — URL count, lastmod, structure.

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robots.txt Inspector

Parse robots.txt and flag common mistakes.

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Page Word Count

Count visible words on any URL.

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Image Alt Text Auditor

Find every image missing alt text on a page.

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Internal Link Map

Map every internal link on a page with anchor text.

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Broken Link Checker

Test every link on a page for broken status codes.

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Keyword Density Analyzer

Analyze keyword density and frequency in any text.

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Canonical Tag Checker

Check the canonical URL of any page.

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SERP Preview Tool

Preview how your page appears in Google search results.

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Title Tag Length Checker

Check title length in pixels and characters.

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Meta Description Checker

Check meta description length and preview.

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Twitter Card Validator

Validate Twitter Card meta tags on any URL.

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LinkedIn Share Preview

Preview how URLs appear when shared on LinkedIn.

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Mobile-Friendly Checker

Test if any page meets mobile-friendly standards.

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XML Sitemap Generator

Build a custom XML sitemap for your site.

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Keyword Suggestion Tool

Generate related keyword ideas from any seed phrase.

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Developer Tools

Encoding, decoding, formatting, and conversion utilities

JWT Decoder

Decode JSON Web Tokens (JWT) instantly — inspect the header, payload, and signature claims. Runs entirely in your browser; tokens never leave your device. Safe for production secrets.

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JSON Formatter & Validator

Format, validate, and minify JSON instantly. Catches syntax errors with line numbers, pretty-prints with adjustable indent, supports large payloads. Runs in your browser — no upload.

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XML Formatter & Beautifier

Format and beautify XML documents — proper indentation, line breaks, namespace handling. Useful for SOAP responses, sitemaps, RSS feeds, and Android resource files.

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Base64 Encoder & Decoder

Encode and decode Base64 strings.

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URL Encoder & Decoder

Encode/decode URL-safe strings.

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HTML Entity Encoder & Decoder

Convert special characters to/from HTML entities.

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CSS Minifier

Minify CSS to reduce file size.

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HTML Minifier

Strip whitespace and comments from HTML.

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JavaScript Minifier

Basic JavaScript minification.

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Regex Tester

Test JavaScript regular expressions live.

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Hash Generator (MD5/SHA)

Generate MD5, SHA-1, SHA-256, SHA-512 hashes.

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UUID Generator

Generate v4 UUIDs.

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Unix Timestamp Converter

Convert between Unix timestamps and dates.

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Timezone Converter

Convert times between any two time zones.

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Cron Expression Builder

Build and explain cron schedule expressions.

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YAML to JSON Converter

Convert YAML to JSON in your browser.

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JSON to YAML Converter

Convert JSON to YAML format.

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JSON to XML Converter

Convert JSON objects to XML markup.

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XML to JSON Converter

Convert XML documents to JSON objects.

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SQL Formatter

Format and beautify SQL queries.

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Text Diff Checker

Compare two text blocks side-by-side.

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HTML Formatter

Format and beautify HTML markup.

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JavaScript Formatter

Format and beautify JavaScript code.

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CSS Formatter

Format and beautify CSS stylesheets.

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Base32 Encoder & Decoder

Encode and decode Base32 strings.

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Generators

Generate names, passwords, codes, and content

Network & Domain

DNS, WHOIS, SSL, and HTTP inspection

Content Tools

Writing, analysis, and formatting utilities

Design & CSS

Color pickers, CSS generators, and visual tools

Converters

Convert between formats and units

Image Tools

Compress, convert, resize and optimize images

Security & Crypto

Hashing, encryption, password, and crypto tools

Tools you can trust

Every tool runs in your browser or on our servers — your data never gets shared. No paid tiers, no signup walls, no upsell after upsell. We make money through honest hosting recommendations and ads, not by gating tools behind paywalls.