Serverless & Zero-Install Suite

Free Online File Transfer & Productivity Tools

A specialized collection of browser-native utilities that respect your privacy. Move massive files, synchronize clipboards, and share code across devices with zero software installations.

Ecosystem Bridges

Cross-Platform OS Transfer Tools

Overcome proprietary ecosystem barriers. Transfer raw 4K videos, full-resolution photos, and large archives between Apple, Android, and Windows devices without third-party drivers or iTunes.

Direct WebRTC Streaming

Peer-to-Peer High-Speed Transfer Tools

Send files through WebRTC or a size-limited broker relay. Speed depends on the route and network; public broker payloads require a room password for encryption.

Universal Productivity

Universal Clipboard & Offline LAN Tools

Seamlessly synchronize clipboard text, code snippets, and authentication tokens, or stream massive files locally over Wi-Fi hotspots with zero cellular data consumption.

Architectural Principles: Why Browser-Native WebRTC Wins

Traditional file sharing and synchronization utilities force users into heavy client installations, driver updates, and cloud subscriptions. Textunnel re-architects cross-device data transmission by moving the entire stack into standard web browsers using WebRTC DataChannels.

Zero Cloud Retention

All data streams directly through ephemeral volatile memory buffers, leaving zero footprint on intermediate servers.

Local Router Bandwidth

WebRTC speed depends on the route and network.

End-to-End Cryptography

WebRTC DTLS encryption keys are negotiated directly between peer browsers, preventing man-in-the-middle inspection.

Knowledge Base & Tutorials

In-Depth File Transfer & Connectivity Guides

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Frequently Asked Questions

Are all productivity tools on Textunnel 100% free to use?

Yes. Every tool in our suite is completely free with no subscriptions, paywalls, or hidden file size caps. Everything operates using client-side WebRTC technology.

Do I need to install any software, browser extensions, or mobile apps?

No. All Textunnel tools execute natively inside modern web browsers (Chrome, Safari, Firefox, Edge). There are zero app downloads, driver setups, or background daemon installations required.

Are files or copied clipboard texts uploaded to your servers?

Enable clipboard sync on both devices and grant browser permission. Focus, background and lock-screen restrictions apply. Use manual copy if automatic access is unavailable.

How fast is the transfer speed between devices?

The same Wi-Fi does not guarantee a direct route. Check the connection badge; TURN and MQTT use relays, and speed depends on the devices, browser and network.

What makes Textunnel different from traditional cloud drives like Google Drive or Dropbox?

Cloud storage requires a two-step process: uploading the full file to a remote server, then downloading it on the second device. Textunnel establishes a direct peer-to-peer connection so data streams simultaneously between devices, saving 50% of your time and eliminating cloud storage quotas.

Can I transfer large video files exceeding 20GB without browser crashes?

Yes. Textunnel utilizes custom chunked streaming and browser backpressure management. Large video files are processed in small memory buffers rather than loaded all at once, preventing out-of-memory tab crashes.

Direct-first WebRTC
Local Browser History
WebRTC; set a password for broker privacy
No account required

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