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Free, private, and built for speed. All tools run entirely in your browser — no data ever leaves your device.

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How It Works

Three simple steps. No friction, no surprises.

Choose a Tool

Browse our curated collection of developer utilities organized by category.

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No sign-up, no upload, no waiting. Paste your data and start working immediately.

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Fast, private results processed entirely in your browser. Copy and go.

Developer Tools

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JSON Formatter & Validator

Format, beautify, and validate JSON data instantly. Supports minification, tree view, and syntax highlighting.

B64

Base64 Encode / Decode

Encode text to Base64 or decode Base64 strings back to plain text. Supports UTF-8 and binary data.

%20

URL Encode / Decode

Encode or decode URLs and query strings. Handles special characters and Unicode.

JWT

JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and expiration details without a secret key.

UUID Generator

Generate random UUIDs (v4) instantly. Copy single or bulk UUIDs for your projects.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input. Compare hashes instantly.

Color & Design

🎨

Color Converter

Convert colors between HEX, RGB, HSL, and HSB formats. Pick colors visually with an interactive color picker.

🎭

Color Palette Generator

Generate beautiful color palettes with harmonious color schemes. Export as CSS, Tailwind, or image.

🌈

CSS Gradient Generator

Create beautiful CSS gradients visually. Copy the generated CSS code for linear and radial gradients.

Text Tools

123

Word & Character Counter

Count words, characters, sentences, and paragraphs in your text. Estimate reading and speaking time.

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences, or words. Perfect for mockups and design.

Converters

🖼️

Image Format Converter

Convert images between PNG, JPG, WebP, and more formats. All processing happens in your browser.

📊

CSV ↔ JSON Converter

Convert CSV data to JSON and JSON arrays to CSV format. Handles headers and nested data.

⏱️

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.

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Why QuickDevTools?

We built the tool site we always wished existed.

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Clean, distraction-free interface

Intrusive ads covering half the screen

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Every tool works instantly, no account needed

"Create a free account to continue"

Your Data, Your Browser

All processing happens locally on your device

Your data uploaded to unknown servers

Clean, Fast Interface

Minimal design, loads in under a second

Bloated pages with 10+ second load times

Your Privacy is Our Priority

Every tool on QuickDevTools processes data entirely in your browser using JavaScript. No files are uploaded. No data leaves your device. It's fast, free, and 100% private.

End-to-end client-side

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Developer Tools,Lightning Fast