Developer Tools Tools

JSON formatter, JWT decoder, API tester, cURL builder, Regex, and code utilities.

All Developer Tools Tools List (21)

Password Generator

Generate secure, customizable passwords with length filters.

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UUID Generator

Generate RFC 4122 compliant version 4 UUIDs instantly.

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JSON Formatter

Validate, format, prettify, or minify JSON data strings.

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Base64 Encoder/Decoder

Encode text strings to Base64 binary format and decode them back.

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URL Encoder/Decoder

Encode and decode URLs to ensure proper query parameters.

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URL Shortener

Instantly shorten long URLs using the TinyURL API (keyless and real-time).

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JWT Decoder

Decode JSON Web Tokens (JWT) payload and header values.

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Regex Tester

Test and debug JavaScript regular expressions in real-time.

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Cron Generator

Generate crontab schedule expressions with natural text translations.

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SQL Formatter

Format and beautify database queries for readability.

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API Tester

Send HTTP requests (GET, POST, etc.) and examine headers and bodies.

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cURL Generator

Build cURL shell commands from query and header parameters.

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JWT Generator

Generate test JSON Web Tokens (JWT) using header and payload inputs.

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Code Diff Compare

Compare side-by-side versions of text to highlight line modifications.

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SVG Optimizer

Minify and optimize raw SVG assets to reduce file sizes.

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Mock API Playground

Draft custom JSON payloads and test mock REST API endpoints.

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CSS Glass & Shadow Maker

Generate sliders for shadows and glassmorphism filters to copy CSS.

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Web Sandbox Playpen

Write HTML, CSS, and JS code in real-time with visual interactive browser preview.

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Website Security & Domain Health

Inspect website SSL certificate validity, DNS A/MX/TXT records, and security headers.

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OpenGraph & Banner Generator

Create 1200×630 social media preview cards, banners, and thumbnails with custom gradients.

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Open Graph & Social Media Previewer

Generate and preview Open Graph and Twitter card meta tags for Twitter, Facebook, LinkedIn, WhatsApp, and Google SERP.

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