oleksyuk Tools

Open any website with a custom tab name and icon for privacy.

Generate secure, random passwords with customizable options.

Create QR codes for URLs, text, WiFi, and more.

Case converter, word counter, and text formatting utilities.

Pick colors and get HEX, RGB, and HSL values.

Open public-source searches across the web, archives, code, and knowledge sites from one place.

Build clean search queries with site, phrase, title, URL, and file filters.

Format, minify, validate, and copy JSON in the browser.

Test patterns, inspect matches, and work with common regex flags.

Generate SHA hashes for text directly in the browser.

Decode token headers and payloads without sending them anywhere.

Write basic markdown and preview the rendered result side by side.

Compare two text blocks and spot line-level differences quickly.

Turn CSV rows into JSON arrays with browser-side parsing.

Encode or decode plain text with quick copy actions.

Encode and decode URLs or individual URL components.

Convert titles and labels into clean URL-friendly slugs.

Escape or unescape HTML safely for snippets and content blocks.

Convert between Unix timestamps and human-readable dates.

Generate one or many UUIDs with single-click copy.

Create placeholder paragraphs, sentences, or words.

Build linear gradients and copy ready-to-use CSS output.