Free online tools for SEO, content & marketing
Analyze, generate and optimize — everything runs in your browser. No AI credits, no accounts, no limits.
SEO Tools
SEO Title Analyzer
Score your headlines from 0-100 with rule-based checks for length, keyword placement, readability and word balance. No AI credits needed.
Schema Markup Generator
Generate valid JSON-LD structured data for 31 schema types — Article, Product, FAQ, Local Business, Organization, Review and more. Build, validate and export markup for rich results. Free, private, no sign-up.
SEO Slug Generator
Turn any title or phrase into a clean, SEO-friendly URL slug. Remove stop words, check slug quality, enforce length limits and compare variants instantly. Rule-based, no AI or sign-up.
Page Indexability Checker
Instantly analyze whether a webpage can be indexed by search engines by checking HTTP status codes, robots.txt rules, meta robots directives, X-Robots-Tag headers, canonical tags and redirect chains.
Hreflang Generator & Validator
Generate valid hreflang tags and validate existing implementations. Detect language, country, return-tag and x-default errors to improve international SEO.
Canonical Tag Checker
Analyze canonical tags to identify missing, conflicting, invalid, cross-domain or improperly configured canonical URLs that may affect indexing and duplicate content.
Redirect Checker
Trace 301 and 302 redirect chains hop-by-hop, detect loops, inspect response headers and verify HTTPS migrations. Single or bulk URLs with a Googlebot user-agent selector. Free, server-side, no sign-up.
HTML Minifier
Compress HTML, inline CSS and JavaScript to cut file size and speed up your pages, or beautify minified code back to readable form. Runs in your browser, no upload, no sign-up.
Keyword Density Checker
Analyze word frequency and keyword density for any article or URL, review 1–4 word phrases, and catch keyword stuffing. Private in-browser analysis, free, no sign-up.
Content Tools
Reading Level Analyzer
Analyze your content using industry-standard readability formulas to determine how easy your writing is to read and who it is best suited for.
Overused Words Finder
Identify repeated words, analyze word frequency and improve vocabulary variety using fast browser-based text analysis.
AI Prompt Builders
AI Video Prompt Builder
Build professional AI video prompts using structured fields for scenes, camera movement, subjects, continuity, lighting, style, transitions and video settings. No AI credits needed.
AI Image Prompt Builder
Build detailed prompts for AI image generators using structured inputs for subject, composition, lighting, style, camera settings, colors and output dimensions. No AI credits needed.
Image Tools
Blog Image Size Checker
Analyze your image for dimensions, file size, format, aspect ratio and WordPress suitability using fast browser-based processing.
Social Media Image Resizer
Upload one image and automatically generate optimized versions for Instagram, Facebook, LinkedIn, Pinterest, YouTube and X using fast local image processing.
Favicon Generator
Turn a PNG, JPG, SVG image or plain text into a full favicon package — multi-size favicon.ico, Apple touch icon, Android and PWA icons, site.webmanifest and ready-to-paste HTML. Runs in your browser, no sign-up.