CONVERTERS

Free Data Storage Converter online

Convert B, KB, MB, GB, TB.

Data Storage Converter on DocTools helps you convert B, KB, MB, GB, TB, with no account needed. Drop your file into Data Storage Converter, choose your settings, and save the finished file. Data Storage Converter runs locally on your device, so nothing is uploaded to a server.

Why use Data Storage Converter

Data Storage Converter runs entirely inside your browser. Your file is never uploaded, stored or shared, and nothing is retained once you close the tab.

How to use Data Storage Converter

  1. Add your file Drag your file onto the drop zone or pick it from your device.
  2. Confirm the output Check that the output settings match what you need.
  3. Process it Data Storage Converter works instantly on your device, with no queue and no upload wait.
  4. Download the result Save the finished file straight to your device, then reuse the tool as often as you like.

Benefits

Private by design

Your file stays on your device while Data Storage Converter works. Data Storage Converter never sends it to a server, so confidential work stays confidential.

Instant results

Data Storage Converter finishes most jobs in under a second because the work happens on your own hardware.

No signup, no limits

Use Data Storage Converter as many times as you want. Data Storage Converter asks for no account, adds no watermark and keeps no paid tier gating the output.

Works offline

Once the page has loaded, Data Storage Converter keeps working without a connection, which helps on flights and locked-down networks.

Who it is for

For students

Students use Data Storage Converter to hand in coursework without installing software: convert B, KB, MB, GB, TB on a shared or locked-down machine.

For freelancers

Data Storage Converter helps freelancers send client deliverables quickly, since your file never leaves the laptop it was created on.

For HR and admin teams

Data Storage Converter helps HR and admin teams process paperwork quickly, since your file never leaves the laptop it was created on.

How it works

Data Storage Converter loads your file into memory, applies the change you requested to the underlying data rather than to a screenshot of it, and writes a fresh copy for download. Your original stays untouched on disk, and every step of Data Storage Converter happens inside your browser sandbox.

Frequently asked questions

Is Data Storage Converter free to use?

Yes. Data Storage Converter is completely free with no account, no trial and no usage cap. Every feature on this page is available on the first visit.

Does Data Storage Converter upload your file to a server?

No. Data Storage Converter processes your file inside your browser, so it never reaches a DocTools server. That also means the tool keeps working if your connection drops mid-task.

Is there a file size limit?

The practical ceiling is your device's available memory rather than a server quota. Files up to roughly 100 MB work comfortably on a typical laptop in Data Storage Converter.

Do I need to install anything to use Data Storage Converter?

No installation is needed. Data Storage Converter runs in Chrome, Edge, Firefox and Safari, on desktop and on mobile, with no extension or plugin.

Can I use Data Storage Converter on a phone or tablet?

Yes. The Data Storage Converter interface adapts to small screens and supports touch input, though very large jobs are faster on a desktop browser.

What happens to your file when I close the tab?

It is discarded. Data Storage Converter keeps everything in temporary browser memory, so closing the tab removes every trace of the session.

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Last updated: 2026-09-07