Developer Utilities

Fast, zero-latency, and client-centric tools built to save you time. All computations run inside your browser context — meaning your tokens, JSON payloads, and passwords never touch a remote server.

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JSON Formatter & Validator

Format, validate, beautify, and minify raw JSON data with real-time exception indicators.

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JWT Decoder

Inspect JWT headers, payloads, and signatures. Converts epoch timestamps to local times instantly.

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UUID Generator

Create cryptographically secure bulk RFC4122 v4 UUID strings on the fly.

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Password Generator

Generate high-entropy customizable passwords with variable symbol constraints.

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QR Code Generator

Convert URLs, text, or configs into clean, custom-colored SVG/PNG QR codes.

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Base64 Encoder/Decoder

Fast UTF-8 safe encoding and decoding of raw string values and file payloads.

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URL Encoder & Decoder

Strict query string URL-parameter safety escaping and parsing tool.

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Unix Timestamp Converter

Format Unix seconds and milliseconds into human timezone representations.

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Diff Checker

Side-by-side or line-by-line file differences comparison console.

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Cron Expression Generator

Translate crontab schedules into human-readable English timings.

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Color Picker & Converter

Pick visual colors and translate them to HEX, RGB, and HSL formatting codes.

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Markdown Preview

Compile and render raw markdown code blocks into rich HTML previews.

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Cryptographic Hash Generator

Calculate secure SHA-1, SHA-256, and MD5 message digests client-side.

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Regex Tester & Validator

Validate regular expression patterns against test strings with live highlights.

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SQL Formatter & Beautifier

Format, uppercase, and beautify unaligned SQL queries locally.

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CSS Gradient Generator

Create linear gradients and export copy-ready cross-browser CSS styles.

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HTML & CSS Previewer

Render raw HTML templates and CSS style sheets within a live preview.

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YAML Formatter

Beautify, clean, and fix indentations of unformatted YAML properties.

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XML Formatter

Beautify, indent, and format nested XML markup tags structure.

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CSV Table Formatter

Convert comma-separated values (CSV) into clean, readable responsive preview tables.

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Meta Tag Generator

Generate clean HTML and Open Graph (OG) meta tags to optimize SEO.

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robots.txt Generator

Configure search crawler access configurations and generate standard robots.txt directives.

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SEO Schema Generator

Build schema.org structured JSON-LD data modules to improve site indexing.

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sitemap.xml Generator

Convert a list of URLs into a search-engine-readable XML sitemap index.

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Client Image Compressor

Scale and compress PNG/JPG files locally within your browser using Canvas.

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SVG Code Optimizer

Minify SVG file components by cleaning comments, XML schemas, and double spacings.