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Free Online Tools for
SEO & Developers

Powerful, instant tools for SEO analysis, code formatting, text processing, and AI-powered content. 100% free, runs in your browser — no server required.

40+
Free Tools
5
Categories
100%
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Every tool organized by use-case so you can find what you need fast.

All Free Tools

40 tools available

SEO Tools

Meta Tag Generator

Generate complete HTML meta tags for SEO, Open Graph, and Twitter Cards.

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Developer Tools

JSON Formatter

Format, validate, and minify JSON with syntax highlighting and error detection.

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SEO Tools

Slug Generator

Convert any text into a clean, URL-friendly slug with multi-language support.

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Text Tools

Word Counter

Count words, characters, sentences, and estimate reading time instantly.

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Developer Tools

Password Generator

Generate cryptographically secure passwords with custom rules and strength meter.

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Developer Tools

Base64 Encoder/Decoder

Encode and decode Base64 strings, including file and Unicode support.

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Developer Tools

QR Code Generator

Generate QR codes for URLs or text with custom size and error correction.

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Text Tools

Lorem Ipsum Generator

Generate customizable Lorem Ipsum placeholder text in paragraphs or words.

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Developer Tools

CSS Minifier

Minify CSS code to reduce file size with detailed savings statistics.

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Developer Tools

HTML Beautifier

Format and prettify raw or minified HTML code for better readability.

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SEO Tools

Keyword Density Checker

Analyze keyword frequency and density in your content for better on-page SEO.

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SEO Tools

Robots.txt Generator

Build a robots.txt file with allow/disallow rules, sitemap URL, and crawl delay.

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SEO Tools

Open Graph Generator

Generate Open Graph meta tags for optimal social media sharing previews.

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SEO Tools

JSON-LD Schema Generator

Create JSON-LD structured data schemas for rich results in Google Search.

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Text Tools

Case Converter

Convert text between UPPER CASE, lower case, Title Case, camelCase, and more.

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Text Tools

Character Counter

Count characters with and without spaces for social media and SEO limits.

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Text Tools

Remove Duplicate Lines

Remove duplicate lines from any text, with options to sort and trim whitespace.

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Developer Tools

SQL Formatter

Format and beautify SQL queries with proper indentation and keyword casing.

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Developer Tools

JWT Decoder

Decode and inspect JWT tokens to view header, payload, and signature details.

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Developer Tools

Color Picker

Pick colors and convert between HEX, RGB, HSL, and HSV formats instantly.

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Image Tools

Image Resizer

Resize images to exact pixel dimensions or percentage. Browser-based, no upload needed.

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Image Tools

Favicon Generator

Generate all favicon sizes from an image or text/emoji. Download PNG files instantly.

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Image Tools

SVG to PNG

Convert SVG files to high-resolution PNG with custom dimensions and retina scale.

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Image Tools

Image to Base64

Convert images to Base64 data URIs with img tag and CSS snippet.

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Developer Tools

Markdown to HTML

Convert Markdown to HTML with a live split-pane preview. Uses marked.js.

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Developer Tools

HTML to Markdown

Convert HTML to clean Markdown with full element support.

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Developer Tools

Regex Tester

Live regex tester with match highlighting and position tracking.

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Developer Tools

Cron Expression Generator

Build cron expressions visually and see next 5 scheduled run times.

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Developer Tools

UUID Generator

Generate UUID v4/v1 in bulk with lowercase/uppercase/no-hyphens formats.

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Developer Tools

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files.

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Developer Tools

URL Encoder / Decoder

Encode and decode URLs with encodeURI and encodeURIComponent. Live conversion.

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SEO Tools

IP Lookup

Look up any IP — country, city, ISP, timezone, and coordinates. Auto-detects your IP.

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SEO Tools

HTTP Headers Checker

Analyze HTTP security headers. Get a /100 security score with fix suggestions.

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SEO Tools

Twitter Card Validator

Validate Twitter/X card meta tags with a live card preview and missing tag table.

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Text Tools

Readability Score

Check Flesch Reading Ease, Flesch-Kincaid Grade, and Gunning Fog Index for any text.

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AI Tools

AI Meta Description Generator

Generate 3 AI-powered SEO meta descriptions from title and keyword.

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AI Tools

AI Blog Title Generator

Generate 5 blog titles with AI: listicle, how-to, question, and more.

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AI Tools

AI FAQ Generator

Generate FAQ sections with AI and export as JSON-LD FAQPage schema.

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AI Tools

AI Product Description

Generate compelling product descriptions with AI in any tone and length.

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AI Tools

AI Landing Page Prompt Generator

Generate 3 highly optimized ChatGPT/Claude prompts for writing a high-converting landing page.

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How It Works

No downloads, no signups, no waiting. Everything runs instantly in your browser.

01

Find Your Tool

Browse by category or use the search bar to find the exact tool from our library of 40+ tools.

02

Paste & Process

Enter your data, configure options, and hit the action button. Results are instant — everything runs locally.

03

Copy & Use

Copy the output with one click. No watermarks, no limits, no fees — use it directly in your project.

Latest AI Prompts

Copy and use the newest community prompts instantly.