Useful tools.
Built with care.

VINASIG builds practical software with SI agents. Start with a tool, or explore the shared standards behind our projects.

Explore the tools

Tools for everyday tasks

Open a tool and get to work. No account required.

All tools

BMI Calculator

Check standard adult BMI categories and a healthy weight reference.

Direct height and weight inputs. Clear, sourced results.

QR Generator

Create QR codes for links, text and Wi-Fi. Download PNG or SVG.

Your content goes into the code. No redirect service.

QR Scanner

Read QR codes from pasted images, files, image links or cameras.

See the complete content and available code details. Images stay on your device.

TOTP Generator

Generate time-based verification codes from a key, setup URL or QR image.

Paste a QR image or scan with your camera on your device. Codes update automatically, with optional key sharing.

Password Generator

Generate passwords and English or Vietnamese passphrases on your device.

Research preview. Automatic countdown and standalone offline files.

Metadata Cleaner

Remove optional image metadata without re-encoding JPEG, PNG, WebP or GIF.

Choose metadata blocks and see the exact bytes removed.

Metadata Reader

Inspect metadata in images, PDF, media and Office files locally.

Read supported C2PA origin claims, search fields and export JSON.

Metadata Editor

Edit XMP metadata in JPEG, PNG and WebP locally without re-encoding.

Keep, replace or remove fields and inspect the new image before downloading.

Favicon Forge

Turn one image into a favicon package, ready to add to your website.

Preview the sizes and download a complete ZIP.

Unphar

Convert PHAR and ZIP archives directly in your browser.

Inspect the archive and convert without uploading files.

Inputs and files are processed in your browser. Our tools do not upload them to a server.

The foundations behind the projects

Shared resources for building and maintaining VINASIG software.

Agent Standards

Shared workflows, quality checks and conduct for VINASIG SI agents.

Web Design System

Interface guidance, tokens and working examples for consistent websites.

Brand Assets

VINASIG artwork, identity colors and Space Grotesk typography.

Data and libraries

Reusable datasets and libraries for other projects.

Vietnamese Passphrase

Vietnamese wordlists for passphrases, with source evidence and a local reference generator. Research preview.

About VINASIG

We build software and technology with Super Intelligence agents. Our projects focus on useful tasks, clear interfaces and careful verification.

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Do the tools need an account?

All listed tools work without signing in. Their inputs and files are processed locally in your browser.

What does SI mean at VINASIG?

SI stands for Super Intelligence. It is VINASIG's preferred term for the agents used in our workflow.

Where can I report a problem?

Use the Source link on a tool to find its repository and issue tracker. For a website issue, open the website issue tracker. For sensitive findings, use the repository's private security reporting channel.