Free Online SEO & Web Tools

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.htaccess Generator

Generate Apache .htaccess rules for redirects, security and more

Developer Tools

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Add Page Numbers

Add page numbers to PDF with custom position and style

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Aspect Ratio Calculator

Calculate aspect ratios for images and videos

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Base64 Encoder / Decoder

Encode and decode text or files to/from Base64

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CSS Gradient Generator

Build CSS gradients visually and copy the code

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CSS Minifier

Minify CSS code by removing whitespace and comments

Developer Tools

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CSV to JSON Converter

Convert CSV data to formatted JSON

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Chmod Permission Calculator

Calculate Linux file permissions visually

Developer Tools

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Color Picker & Converter

Convert colors between HEX, RGB, HSL, HSV and CMYK

Developer Tools

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Cron Expression Parser

Explain and validate cron expressions with next run times

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HTML Encoder / Decoder

Encode special characters to HTML entities and decode them

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HTML Minifier

Remove whitespace and comments from HTML to reduce size

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HTML to Markdown

Convert HTML to clean Markdown format

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HTTP Status Code Lookup

Look up HTTP status codes with descriptions and usage

Developer Tools

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Hash Generator

Generate MD5, SHA1, SHA256, SHA512 hashes from text

Developer Tools

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IP Address Converter

Convert IPv4 addresses to binary, hex, decimal and back

Developer Tools

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Image to PDF

Convert multiple images to a single PDF file

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JSON Formatter & Validator

Beautify, minify, validate and format JSON with syntax highlighting

Developer Tools

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JSON to CSV Converter

Convert JSON arrays to CSV and download

Developer Tools

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JWT Decoder

Decode and inspect JWT token header, payload and signature

Developer Tools

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JavaScript Minifier

Minify JavaScript code for production

Developer Tools

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JavaScript Obfuscator Pro

Advanced multi-layer JavaScript obfuscation with string encryption, control flow flattening, dead code…

Developer Tools

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Live PDF Editor

Edit PDF with live preview: background, watermark, page numbers, add/remove pages, add…

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Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text in paragraphs or words

Developer Tools

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Markdown to HTML

Convert Markdown to HTML with live preview

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Meta Tag Generator

Generate complete SEO meta tags for your website

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Number Base Converter

Convert numbers between Binary, Octal, Decimal and Hexadecimal

Developer Tools

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PDF Background Color

Add or change background color of PDF pages

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PDF Compressor

Reduce PDF file size by re-rendering at chosen quality

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PDF Info Viewer

View PDF metadata, properties and page dimensions

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PDF Merger

Merge multiple PDF files into one document

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PDF Page Rotator

Rotate all or specific pages in a PDF

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PDF Splitter

Split PDF into individual pages or page ranges

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PDF Text Extractor

Extract all selectable text from PDF pages

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PDF Watermark

Add text watermark to PDF pages with live preview

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PDF Watermark

Add custom text watermark to PDF pages with live preview. Control text,…

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PDF to Images

Convert PDF pages to PNG or JPG images

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PDF to Word & PowerPoint

Convert PDF to DOCX or PPTX. Auto-detects text PDF (editable) or image…

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Password Generator

Generate strong secure passwords with custom options

Developer Tools

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Regex Tester

Test regular expressions with live match highlighting

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SQL Formatter

Format and beautify SQL queries for readability

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String Case Converter

Convert text between camelCase, snake_case, PascalCase and more

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Text Diff Checker

Compare two texts and highlight differences line by line

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URL Encoder / Decoder

Encode and decode URL strings and query parameters

Developer Tools

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UUID Generator

Generate UUID v1, v4, v5 identifiers in bulk

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Unix Timestamp Converter

Convert Unix timestamps to date/time and vice versa

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XML Formatter & Validator

Beautify, minify and validate XML documents

Developer Tools