Tool directory
Browse all FreeSEOTools.com tools
Explore practical tools for SEO, writing, image optimization, and PDF tasks, all organized into simple categories.
Word Counter
Count words, characters, sentences, paragraphs, and reading time instantly.
Character Counter
Measure characters, spaces, lines, and bytes for social posts, metadata, and forms.
Readability Checker
Estimate reading ease, grade level, and sentence complexity for your content.
Text Cleaner
Remove messy spacing and blank lines to make pasted text easier to reuse.
Duplicate Line Remover
Remove repeated lines from copied lists, exports, and keyword sets in one pass.
Image Compressor
Shrink JPG, PNG, and WebP files quickly in the browser while keeping visuals sharp.
Merge PDF
Combine multiple PDFs into one clean file without desktop software.
PDF to JPG
Convert PDF pages into image previews you can download page by page.
Compress PDF
Run a first-pass browser-side PDF optimization to reduce file size when possible.
Meta Tag Generator
Generate title, description, Open Graph, Twitter, and robots meta tags.
Meta Tag Analyzer
Inspect pasted HTML and review title, description, canonical, and social tags.
Slug Generator
Turn titles and phrases into clean SEO-friendly URL slugs instantly.
XML Sitemap Generator
Generate a valid sitemap.xml file from a base URL and a list of paths or URLs.
Robots.txt Generator
Create a clean robots.txt file for search engines and sitemap discovery.
JSON Formatter & Validator
Format, beautify, and validate JSON data with syntax highlighting and error detection.
Base64 Encode / Decode
Encode text to Base64 or decode Base64 strings back to plain text instantly.
UUID Generator
Generate random UUID v4 identifiers for databases, APIs, and testing workflows.
JWT Decoder
Decode and inspect JSON Web Token headers and payloads without sending them to a server.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Regex Tester
Test regular expressions against sample text with real-time match highlighting.
Cron Expression Generator
Build and explain cron schedule expressions with a visual interface.
Diff Checker
Compare two blocks of text side by side and highlight the differences.
Markdown to HTML
Convert Markdown text to clean HTML with a live preview.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text input in your browser.
Password Generator
Generate strong, random passwords and passphrases that never leave your browser.
QR Code Generator
Create QR codes for URLs, text, Wi-Fi, and contact info with custom colors.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words for design and development.
Privacy Policy Generator
Generate a starter privacy policy for your website or app with common clauses.
Terms of Service Generator
Generate a basic terms of service document for your website, app, or SaaS.
Email Signature Generator
Create a professional HTML email signature with your name, title, and links.
Favicon Generator
Upload an image and generate favicons in all standard sizes with ready-to-use HTML.
Invoice Generator
Create and download professional invoices as PDF directly in your browser.
Color Picker & Converter
Pick colors and convert between HEX, RGB, and HSL formats with contrast checking.
Schema Markup Generator
Generate JSON-LD structured data for articles, FAQs, products, and local businesses.
Open Graph Preview
Preview how your page will look when shared on Facebook, Twitter, and LinkedIn.
WhatsApp Link Generator
Create click-to-chat WhatsApp links with a pre-filled message and QR code.
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG format entirely in your browser. No upload needed.
WebP to PNG Converter
Convert WebP images to PNG format in the browser without uploading to any server.
SVG to PNG Converter
Convert SVG vector graphics to PNG raster images at any resolution.
Image to Vector Converter
Trace PNG, JPG, WebP, and other images into downloadable SVG vectors directly in the browser.
MBOX to CSV Converter
Convert Gmail MBOX email backups to CSV spreadsheets with sender, date, subject, and body.
vCard to CSV Converter
Convert vCard VCF contact files to CSV spreadsheets for easy import and editing.
ICS to CSV Converter
Convert iCalendar ICS files to CSV spreadsheets with event details and dates.
IBAN Validator
Validate International Bank Account Numbers and extract bank and country information.
SRT Subtitle Editor
Edit, shift timing, and clean SRT subtitle files directly in the browser.
Image Resizer
Resize images by pixels or percentage in bulk. Supports JPG, PNG, and WebP.
Image Cropper
Crop images to exact pixel dimensions directly in the browser.
Rotate Image
Rotate images 90°, 180°, or 270° and download the result instantly.
JPG to PNG Converter
Convert JPG images to PNG format with transparency support in the browser.
PNG to JPG Converter
Convert PNG images to JPG with adjustable quality. Transparent areas become white.
Watermark Image
Add text watermarks to images with custom position, size, opacity, and color.
Split PDF
Split a PDF into individual pages and download them separately.
Rotate PDF
Rotate individual PDF pages by 90°, 180°, or 270° and download the result.
PDF Page Counter
Count the number of pages in a PDF file instantly without opening it.
PDF Editor
Edit PDF files online with text, highlights, shapes, signatures, and multilingual text translation, then save as PDF, PNG, or JPG.
Invisible Character Detector
Find zero-width spaces, non-breaking spaces, smart punctuation, and hidden Unicode in copied text.
Case Converter
Convert text to lowercase, UPPERCASE, Title Case, and Sentence case instantly.
Redirect Checker
Review a pasted redirect chain to spot extra hops, loops, temporary redirects, and broken final targets.
Sitemap Validator
Validate a pasted sitemap.xml or sitemap index and spot missing loc tags, invalid URLs, and unsupported roots.
Robots.txt Tester
Test whether a path is allowed or blocked by a robots.txt file before publishing changes.
Robots/Meta Noindex Checker
Inspect pasted HTML head markup or header lines for meta robots and X-Robots-Tag noindex directives.
Hreflang Generator
Generate hreflang and x-default link tags for multilingual pages and international SEO.
Canonical Tag Checker
Inspect a canonical tag snippet or pasted HTML to verify the canonical URL you are signaling to search engines.
Schema Markup Validator
Validate pasted JSON-LD or schema script tags and flag missing context, type, and key content fields.
HTML Minifier
Minify HTML by removing comments, whitespace, and optional quotes for smaller pages and faster loading.
CSS Minifier
Minify CSS by stripping comments, blank lines, and excess whitespace to ship smaller stylesheets.
JavaScript Minifier
Minify JavaScript by removing comments and unnecessary whitespace for faster page loads.
Keyword Density Checker
Analyze keyword density in any text, including 1-, 2-, and 3-word phrases, to spot stuffing and topical focus.
URL Encoder / Decoder
Encode or decode URL components and full URLs (percent-encoding) for safe links, query strings, and APIs.
Image to Base64
Convert any image to a Base64 data URI in your browser, or paste a Base64 string to preview and download the image.
Credit Card Validator
Validate credit card numbers using the Luhn checksum and detect the card brand (Visa, Mastercard, Amex, Discover, JCB).
Age Calculator
Calculate exact age in years, months, days, hours, and minutes from a date of birth and an optional reference date.
Line Counter
Count lines, non-empty lines, words, and characters in any text or pasted code block.
SERP Snippet Preview
Preview how a page title, URL, and meta description appear in Google search results, with desktop and mobile pixel-width checks.
HTTP Headers Checker
Inspect HTTP response status, redirect chain, and security headers for any public URL — including HSTS, CSP, and X-Frame-Options.
DNS Records Lookup
Look up A, AAAA, MX, TXT, NS, CNAME, SOA, and CAA DNS records for any domain using public Cloudflare and Google resolvers.
WHOIS Lookup
Run a public WHOIS / RDAP lookup on any domain to see registrar, registration dates, expiration, status flags, and nameservers.
SSL Certificate Checker
Inspect a domain's SSL/TLS certificate chain, expiry date, issuer, fingerprint, and protocol — useful for catching expiring or misconfigured certs.