Edit Images, PDFs and Videos. Free. In Your Browser.

No uploads, no waiting, no installation. 39 professional tools that process your files instantly with total privacy. Everything on your device.

38+

Tools

100%

Private

Server Uploads

🔒

100% Private No servers

⚡

Instant No queues or waiting

💯

Free Forever 39 tools

🛠️ Tools

Explore Our Categories

39 professional tools organized in 4 categories. 100% local processing in your browser.

🖼️

Image

Compress, resize, crop, convert and edit images with professional quality.

📦 16 tools →

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PDF

Merge, split, compress, protect and convert PDF documents without limits.

📦 12 tools →

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Video

Convert to GIF, extract audio, screen recorder and more video tools.

📦 6 tools →

🎙️

Audio

Trim, merge, change speed and amplify volume of your audio files.

📦 5 tools →

Your files never leave
your device

Unlike other online tools, DuneTools processes everything locally in your browser using WebAssembly technology.

🔐

No Servers

Your files are not uploaded to any server. All processing happens in your browser using WebAssembly and JavaScript.

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Instant Speed

No loading times or waiting. Processing starts immediately thanks to local execution.

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Works Offline

Once the page is loaded, you can use the tools without an Internet connection. Ideal for total privacy.

⭐ Easy to use

How It Works

Three simple steps to edit your files. No registration, no waiting, no complications.

📂

Select

Drag or select your files. We support multiple formats per tool.

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Process

Adjust options if you want. Processing is immediate in your browser.

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Download

Download your processed file. Ready to use, no watermarks.

❓ Questions

Frequently Asked Questions

Correct. DuneTools uses WebAssembly technology to process all your files directly in your browser. You can verify this by disconnecting your Internet after loading the page - the tools will continue to work.

We believe that basic editing tools should be accessible to everyone. Our model is based on non-intrusive advertising, which allows us to offer all tools completely free without compromising quality.

For images: JPG, PNG, WebP, GIF, HEIC, SVG, ICO. For documents: PDF. For video: MP4, WebM, MOV. For audio: MP3, WAV, OGG, AAC. Each tool specifies the supported formats.

Yes, DuneTools is fully optimized for mobile devices. It works in any modern browser: Chrome, Firefox, Safari, Edge, both on desktop and mobile.

Currently all tools are 100% free with no significant limits. You can process multiple files per batch without restrictions. The only limit is the performance of your own device.