Developer & SEO
Schema generators, RegEx tools, and secure key generators for builders.
Bulk Schema Markup Generator
Generate clean JSON-LD for Article, FAQ, and Local Business schema.
Open toolRegEx Tester & Explainer
Test regular expressions against sample text and see a plain-English breakdown.
Open toolSecure Password & API Key Generator
Generate strong passwords and API keys with adjustable length and symbols.
Open toolJSON Formatter & Validator
Beautify, minify, and validate JSON with error messages.
Open toolBase64 Encoder / Decoder
Encode text to Base64 or decode it back instantly.
Open toolHash Generator (SHA)
Generate SHA-1, SHA-256, and SHA-512 hashes from text.
Open toolUUID Generator
Generate one or many random UUIDs (v4) instantly.
Open toolURL Encoder / Decoder
Encode or decode URLs and query string components.
Open toolMeta Tag Generator
Generate SEO and Open Graph meta tags for any page.
Open toolRobots.txt Generator
Build a valid robots.txt file in seconds.
Open tool.htaccess Redirect Generator
Generate 301 redirect rules for Apache.
Open toolJWT Decoder
Decode a JWT to inspect its header and payload.
Open toolCron Expression Generator
Build and understand cron schedule expressions.
Open toolHTML Entity Encoder / Decoder
Encode or decode HTML entities safely.
Open toolMarkdown Previewer
Write Markdown and see the rendered result live.
Open toolUTM Link Builder
Build trackable campaign URLs with UTM tags.
Open toolColor Contrast Checker
Check text/background contrast for accessibility.
Open toolProgramming Case Converter
Convert text to camelCase, snake_case, and more.
Open toolBulk UUID Generator
Generate many UUID v4 values at once.
Open toolFake JSON Data Generator
Generate mock JSON records for testing.
Open toolCSS Minifier
Minify CSS to shrink file size instantly.
Open toolJavaScript Minifier
Minify JavaScript to reduce file size.
Open toolJSON to CSV Converter
Convert a JSON array into CSV rows.
Open toolCSV to JSON Converter
Turn CSV data into a JSON array.
Open toolSQL Formatter
Format and indent messy SQL queries.
Open toolKeyword Density Checker
Analyze keyword frequency in your text.
Open toolGoogle SERP Preview
Preview how your page looks in search results.
Open toolOpen Graph Preview
Preview how a link looks when shared.
Open toolURL Parser
Break a URL into its parts and parameters.
Open toolUnix Timestamp Converter
Convert between Unix timestamps and dates.
Open toolHEX / RGB / HSL Converter
Convert colors between HEX, RGB, and HSL.
Open toolLink Extractor
Pull all URLs out of a block of text or HTML.
Open toolBase64 Image Encoder
Convert an image into a Base64 data URI.
Open tool