Tools

Comprehensive developer tools collection to boost your productivity

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Internal Tools

JSON Formatter

Format, validate and beautify JSON data with syntax highlighting

URL Encoder/Decoder

Encode, decode and parse URLs with detailed component analysis

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes and Base64 encoding

Base64 Encoder

Encode and decode Base64 strings with file support

Regex Tester

Test and debug regular expressions with real-time matching

Color Picker

Pick colors and convert between different color formats

Markdown Editor

Write and preview Markdown with live rendering

Password Generator

Generate secure passwords with customizable options

PDF Converter

Convert documents to PDF and extract text from PDFs

[AUTO_TRANSLATED:ru] Word to Markdown

[AUTO_TRANSLATED:ru] Convert Word (.docx) to clean Markdown, 100% local & private

QR Code Generator

Generate QR codes for text, URLs, and other data

Timestamp Converter

Convert between timestamps and human-readable dates

AI Tools

AI Chat

智能 AI 对话助手，支持 GPT-4、Claude、Gemini 等多种模型

AI Image

文本生成图像，支持 DALL-E 等 AI 图像生成模型

AI Code

AI 代码助手，智能代码生成和优化

AI Translate

智能翻译，支持 100+ 种语言

思维导图

AI 辅助思维导图生成，支持导出 PNG/JSON

Редактор Mermaid

Онлайн-редактор диаграмм Mermaid с предпросмотром, поддержка блок-схем, последовательностей, классов, ER-диаграмм и других

Редактор блок-схем

Визуальный редактор блок-схем с перетаскиванием узлов, генерацией ИИ и экспортом PNG/JSON

Редактор ER-диаграмм

Инструмент проектирования схемы базы данных с визуализацией таблиц, генерацией ИИ и экспортом SQL/Mermaid

Диаграмма архитектуры

Инструмент проектирования архитектуры системы с библиотекой компонентов, генерацией ИИ и экспортом PNG

Document Tools

Notion

All-in-one workspace for notes, docs, and collaboration

Obsidian

Powerful knowledge base with linked note-taking

Logseq

Local-first, non-linear, outliner notebook

Media Tools

Figma

Collaborative interface design and prototyping tool

Canva

Easy-to-use design platform for graphics and presentations

Adobe Creative Suite

Professional creative suite for design and media editing

Development Tools

VS Code

Lightweight but powerful source code editor

GitHub

Version control and collaboration platform for developers

Postman

API development and testing platform

✦POWERFUL TOOLS•BOOST PRODUCTIVITY•STREAMLINE WORKFLOW ✦

Why Choose Our Developer Tools?

All tools run entirely in your browser - your data never leaves your device. Fast, free, and privacy-focused.

100% Free

All tools are completely free to use with no hidden costs or limitations.

Privacy First

Your data is processed locally in your browser. Nothing is sent to servers.

No Registration

Start using any tool immediately without creating an account.

Mobile Friendly

All tools work seamlessly on desktop, tablet, and mobile devices.

Available Tool Categories

Developer Tools

JSON formatter, Base64 encoder, URL encoder, regex tester, hash generator, and more.

AI Tools

AI chat, image generation, code assistant, translation, and mind mapping tools.

Document Tools

PDF converter, Word to Markdown, document compression, and format conversion.

Image Tools

Image compression, format conversion, QR code generator, and background removal.

Text Tools

Markdown editor, text diff, color picker, and password generator.

Network Tools

DNS lookup, IP lookup, WHOIS query, and port scanner utilities.

Frequently Asked Questions

Are these tools really free?

Yes, all tools on CatLove Cloud are completely free to use with no limitations or hidden costs.

Is my data safe?

Absolutely. All processing happens locally in your browser. Your data never leaves your device and is never stored on our servers.

Do I need to create an account?

No registration required. You can start using any tool immediately without signing up.

Can I use these tools on mobile?

Yes, all our tools are fully responsive and work on any device including smartphones and tablets.