WebTools Ultima

Private, in-browser file tools. Zero uploads.

Live In-browser file tools

WebTools Ultima converts, compresses and modifies files, and bundles encoders, hashers and generators — all executing on your own device. Nothing is uploaded; your data never leaves your browser.

What it does

An any-to-any file engine wrapped in a growing library of instant utilities: documents, images, audio and video, hashing, encoding, and generators.

The privacy property is structural rather than a policy promise. There is no upload endpoint, so there is nothing to retain, breach or subpoena.

Who it is for

Anyone who needs to convert or inspect a file without handing it to a third-party server.

What it costs

Free.

How we price everything else →

Terminology

Words this page uses in a specific sense.

Client-side processing
The conversion runs in your browser via WebAssembly. The file is never transmitted, so the site cannot see it.

Facts

FieldValue
NameWebTools Ultima
StatusLive
CategoryIn-browser file tools
PlatformsWeb
PricingFree.
SourceClosed source
PublisherCognitive Industries
Published fromBrisbane, Queensland, Australia

Capabilities behind it

Web platforms and SaaS

Multi-tenant products with payments, admin consoles, and mobile builds from one codebase. Several of them are live right now.

Media and streaming

Multi-tenant live streaming with automated capture, encoding and scoreboard overlays; in-browser file tooling where nothing is uploaded.

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Last reviewed · Site changelog