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Production-Ready Tools

Tools Used by Developers Worldwide

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PasteDownloader

PasteDownloader

A simple tool to download images directly from your clipboard by pasting them on the page.

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JWT Secret Key Generator

JWT Secret Key Generator

Generate cryptographically secure secret keys for JWT authentication with one-click formatting for .env files.

Newest Release
Free Online Image Color Picker

Free Online Image Color Picker

Upload or paste an image to extract exact color pixels in HEX, RGB, HSL, HWB, and CMYK. Features a magnifying loupe and color history. Completely client-side.

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Latest Engineering Articles

pythonMarch 9, 2026
Get Youtube Video Metadata with Python (yt-dlp)

Learn how to extract YouTube video metadata like title, view count, and description using the powerful `yt-dlp` library in Python. This guide provides a complete script to fetch and display video information without downloading the video itself.

pythonMarch 9, 2026
Analyzing YouTube Comment Sentiment with Python

Learn how to use the YouTube Data API and TextBlob to analyze the sentiment of YouTube comments in Python.

pythonMarch 9, 2026
Pydantic for JSON Validation in Python

Learn how to use Pydantic to parse and validate JSON data in Python, ensuring your applications receive clean and structured data.

Serhii Hrekov

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I build backend systems and practical tools used by developers and businesses. This site is a collection of my production-ready APIs, open-source projects, engineering insights and practical guides that solve real-world problems.