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Rapid Dev Tools

High-performance, privacy-focused utilities for modern builders.
No signup. No tracking. Pure productivity.

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All Tools (42+)

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Regex Tester

Test regular expressions with real-time matching and capture groups.

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JSON Formatter

Format, validate, and beautify your JSON data instantly.

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Password Checker

Check password strength and get improvement suggestions.

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Password Generator

Generate strong, secure passwords with customizable options.

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Text Diff Checker

Compare two text blocks and highlight differences.

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JSON Schema Validator

Validate JSON against JSON Schema definitions.

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CSV to JSON

Convert CSV data to JSON array of objects.

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JSON to CSV

Convert JSON to CSV format with custom delimiters.

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CSV to XML

Convert CSV data to well-formed XML.

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CSV to SQL

Generate SQL INSERT statements from CSV.

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CSV to Markdown

Convert CSV to GitHub flavored Markdown tables.

Timestamp Converter

Convert Unix timestamps to dates and vice versa.

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Color Converter

Convert between HEX, RGB, HSL color formats.

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PX to REM Converter

Convert pixels to REM units for responsive CSS.

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JSON to YAML

Convert JSON data to readable YAML format.

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YAML to JSON

Convert YAML data to standard JSON format.

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HTML Minifier

Compress HTML code for faster loading.

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CSS Minifier

Compress CSS code for production.

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JavaScript Minifier

Compress JavaScript code for optimization.

HTML Beautifier

Format and beautify HTML code.

CSS Beautifier

Format and beautify CSS code.

JavaScript Beautifier

Format and beautify JavaScript code.

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SQL Formatter

Clean up and format your SQL queries.

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XML Formatter

Clean up and format your XML data.

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YAML Formatter

Clean up and format your YAML data.

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Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes.

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Base64 Encoder

Encode and decode Base64 and URL-safe formats.

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URL Encoder

Encode and decode URLs and query parameters.

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HTML Entity Encoder

Encode and decode HTML entities.

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JWT Decoder

Decode and inspect JWT tokens.

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UUID Generator

Generate unique identifiers in bulk.

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Lorem Ipsum Generator

Generate placeholder text for designs.

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Color Palette Generator

Generate beautiful color palettes for projects.

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QR Code Generator

Generate QR codes with customization.

Cron Expression Generator

Generate and explain cron expressions.

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Case Converter

Transform text between different cases.

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Character & Word Counter

Count characters, words, sentences, and lines.

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Line Sorter

Sort lines alphabetically or numerically.

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Markdown Preview

Write and preview markdown in real-time.

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URL Shortener

Shorten URLs and generate QR codes.

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Image Compressor

Compress images without losing quality.

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CSV Converter

Professional grade CSV conversion utility.

Latest from Blog

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Security

Why Client-Side Tools Matter for Developer Privacy

Discover the critical security differences between server-side and browser-based developer utilities.

📅 Jan 2026 ⏱️ 5 min read
Upcoming

Optimizing PNGs for Production: Best Practices

A deep dive into image buffer optimization and edge-case transparency issues coming soon.

📅 Feb 2026 ⏱️ 8 min read

Built by a Developer, for Developers

I'm a Full Stack Developer who builds and fixes web applications. These tools are designed to solve real problems I face daily - and I'm sharing them for free.

Tech Stack: Laravel • Python • React • NextJS • FastAPI

All tools are privacy-focused - no data is stored or sent to any server. Everything runs in your browser.

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