User dragging a folder into a browser window for instant, no-upload conversion

No-Upload, Secure File Converter for Bulk & Batch Jobs

Convert 300+ formats—including documents, images, audio, and video—directly in your browser with zero uploads, GDPR/HIPAA-ready privacy, and desktop-class speed for even the largest batches.

Core Advantages

Secure, No-Upload Conversion at Any Scale

Privacy First

Local, No-Upload Security

Every byte is processed inside a WebAssembly sandbox on your device, so nothing ever reaches our servers. Perfect for confidential documents, legal files, and medical records.

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Speed at Scale

Blazing-Fast Batch Processing

Drag entire folders or thousands of files and finish in minutes. Multithreaded processing maximizes your CPU, rivaling dedicated desktop apps without the installation hassle.

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Format Freedom

300+ Formats, Client-Side

Seamlessly handle documents, images, audio, and video, from PDF and HEIC to DWG and WEBM. Automatic codec selection ensures top-tier quality with every conversion.

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Local Automation

Smart Batch Queue

Pause, resume, and reorder massive conversion jobs locally. Save presets for recurring tasks and let Fileto run them offline—no cloud account, no data exposure.

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Need Answers?

Frequently Asked Questions

Quick answers to your biggest concerns about privacy, performance, and compatibility.

Are my files ever uploaded?

Never. Only the web app loads; your data stays local and private.

How large can a batch be?

Free plans convert up to 50 files; Pro unlocks bulk jobs in the thousands—hardware is the only limit.

Does it work offline after loading?

Yes. Once the code is cached, you can convert files without an internet connection.

Which browsers are supported?

Latest Chrome, Edge, Firefox, and Safari; older versions fall back gracefully.

Is the conversion quality equal to desktop software?

Absolutely. We bundle proven open-source codecs and run automated regression tests across all supported formats.

Does Fileto comply with HIPAA and GDPR?

Yes. All processing is client-side, so no personal data leaves your device, helping you meet HIPAA and GDPR requirements.

Can I save conversion presets for repeat jobs?

Yes. You can create local presets to apply the same settings to future batches with one click—no cloud account required.

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Ready to Convert?

Start Secure, No-Upload Bulk Conversion Today

Convert files in 30 s—no sign-up, no software, zero uploads. Enjoy enterprise-grade privacy and desktop-class batch speed in your browser.