Dev Tools

Dev Tools is the ultimate Swiss Army knife for developers, right in your pocket. With 37+ essential utilities, you can format, encode, decode, convert, generate, and inspect data — all offline, no server needed.

Whether you're debugging an API response, generating test data, formatting SQL queries, or converting timestamps — Dev Tools has you covered.

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🔧 FORMATTERS

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• JSON Formatter — Pretty print or minify JSON with syntax highlighting

• XML Formatter — Beautify or minify XML documents

• SQL Formatter — Format SQL queries with keyword highlighting

• JSON Path Extractor — Navigate JSON and extract values interactively

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🔐 ENCODERS & DECODERS

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• Base64 Encoder/Decoder — Encode and decode Base64 strings

• URL Encoder/Decoder — Percent-encode and decode URLs

• HTML Entity Encoder/Decoder — Encode and decode HTML entities

• JWT Decoder — Decode and inspect JSON Web Tokens

• String Escape/Unescape — Escape backslashes, quotes, and control characters

• GZip Compress/Decompress — Compress text with zlib, output as Base64

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🔄 CONVERTERS

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• Number Base Converter — Convert between binary, octal, decimal, and hex

• Timestamp Converter — Convert Unix timestamps to human-readable dates

• JSON ↔ YAML Converter — Convert between JSON and YAML formats

• JSON to Dart Class — Generate Dart model classes with fromJson/toJson

• Cron Expression Parser — Parse cron expressions with human descriptions

• URL Parser — Break down URLs into scheme, host, path, query, fragment

• Chmod Calculator — Calculate Unix file permissions with visual checkboxes

• HTTP Status Codes — Quick searchable reference for all HTTP status codes

• Data Size Converter — Convert between Bytes, KB, MB, GB, TB, PB

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⚡ GENERATORS

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• Hash Generator — Generate MD5, SHA-1, SHA-256, SHA-512 hashes

• UUID Generator — Generate v1 and v4 UUIDs in bulk

• Lorem Ipsum Generator — Generate placeholder text (words, sentences, paragraphs)

• Password Generator — Generate secure passwords with strength indicator

• JWT Builder — Build JWT tokens for testing with custom headers and payloads

• Random Data Generator — Generate mock names, emails, phones, IPs, addresses, and more

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📝 TEXT TOOLS

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• Text Case Converter — Convert between camelCase, snake_case, UPPER, Title, and more

• Regex Tester — Test regular expressions with live match highlighting

• Text Diff — Compare two texts side by side

• Text Inspector — Analyze text encoding, line endings, and character details

• Word/Char Counter — Count characters, words, sentences, paragraphs, reading time

• List/Line Tools — Sort, deduplicate, reverse, shuffle, number, or trim lines

• Find & Replace — Find and replace text with regex support and match count

• Slug Generator — Generate URL-friendly slugs with customizable separators

• Markdown Preview — Write Markdown with a live rendered preview

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🎨 GRAPHIC TOOLS

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• Color Converter — Convert between HEX, RGB, and HSL color formats

• Color Palette Generator — Generate complementary, analogous, triadic, and more harmonies

• Pixel/Unit Converter — Convert between px, pt, rem, em, dp, sp, cm, inches

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✅ FEATURES

• 100% offline — no internet required

• Material 3 design with dynamic theming

• Light, dark, and system theme modes

• 10 color theme presets

• Adjustable text size (80%–140%)

• Fast search to find any tool instantly

• Clean, mobile-optimized interface

Built with Flutter for a native, fast experience.

Perfect for software developers, web developers, backend engineers, DevOps engineers, mobile developers, QA testers, and anyone who works with code and data daily.

Got a tool suggestion? Leave a review or reach out — we're always adding more utilities!