Welcome to 21K Tools

Your one-stop destination for powerful online tools

Transform, optimize, and enhance your digital content with our powerful online tools

Featured Tools

Our most popular and powerful tools used by millions

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Video Downloader

Download videos from YouTube, Instagram, TikTok, and 100+ platforms in high quality

4K Quality MP4/MP3 Fast
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Background Remover

Remove backgrounds from images instantly using advanced AI technology

AI Powered Instant HD Quality
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PDF Merger

Combine multiple PDF files into one document with drag & drop simplicity

Drag & Drop Secure No Limits
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Image Resizer

Resize, compress, and optimize images while maintaining perfect quality

Batch Process Smart Crop All Formats
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Video Converter

Convert videos between all popular formats with lightning-fast speed

50+ Formats GPU Accelerated Quality
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AI Content Generator

Generate high-quality content, articles, and copy using advanced AI

GPT-4 Multi-language SEO Ready