
  ____             ____             
 |  _ \  _____   _|  _ \ ___  _ __  
 | | | |/ _ \ \ / / |_) / _ \| '_ \ 
 | |_| |  __/\ V /|  __/ (_) | |_) |
 |____/ \___| \_/ |_|   \___/| .__/ 
                              |_|

$ devpop --help

Free developer tools — 100% client-side, zero data leaves your browser.

json-formatter

Format & validate JSON

regex-tester

Test regex patterns with live highlighting

color-picker

HEX, RGB, HSL converter & palette gen

base64

Encode & decode Base64

url-encoder

Encode & decode URL components

hash-generator

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

uuid-generator

Generate v4 UUIDs

diff-checker

Compare text side-by-side

markdown-visualizer

Render markdown & mermaid diagrams

$ select a tool to get started_

Why DevPop?

Developers constantly switch between tiny utilities — formatting a JSON response, testing a regex, generating a UUID, encoding a URL parameter. Most online tools are bloated with ads, slow to load, or worse — they send your data to their servers.

DevPop puts the most-used developer utilities in one place with a clean, terminal-inspired interface. Every tool runs 100% in your browser. Your API keys, config files, and code snippets never leave your device. No accounts, no tracking, no data collection.

Built by developers, for developers. Open any tool, paste your data, get your result. That's it.

Built for Your Workflow

API Development

Format API responses, encode URL parameters, generate UUIDs for request IDs, and hash data for integrity checks — all without leaving your browser.

Frontend Development

Pick colors with HEX/RGB/HSL conversion, test regex patterns for form validation, and encode images to Base64 for inline embedding.

Code Reviews

Use the diff checker to compare code versions, config files, or API responses side by side with syntax-level highlighting.

Security & Auth

Decode Base64 JWT tokens, generate SHA-256 hashes for verification, and create secure UUIDs for session tokens and database IDs.

Frequently Asked Questions

Is my data safe?

Yes. Everything runs in your browser using JavaScript and Web APIs. No data is transmitted to any server — safe for API keys, tokens, config files, and sensitive code.

Is DevPop free?

Completely free. No accounts, no premium tiers, no feature gates. Every tool is available to everyone.

Do I need to install anything?

No. DevPop works in any modern browser — Chrome, Firefox, Safari, Edge. Just open the URL and start using the tools.