Processing boundary
Input is processed only in the active browser tab's memory and is not sent to a ByteQuant server.
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Calculation tools
VAT / Tax & Discount Calculator
Uses a user-supplied tax rate to derive net and tax from inclusive or exclusive prices and applies multiple discounts sequentially. It does not choose rates, verify law, or provide invoicing or tax advice.
✓ Free✓ No account✓ In-browser
Persistent storage
Input and output are not stored. The optional usage counter keeps only tool identity and count, never content.
Verification
Output comes from disclosed rules or browser APIs and needs independent review before high-impact use.
A result in three steps
- 01
Enter price, tax rate, inclusive/exclusive mode, and discounts.
- 02
Run the calculation and inspect every intermediate step.
- 03
Verify current rates, rounding, and document rules from an official source.
When is this tool useful?
- ✓ Price-label estimates
- ✓ Sequential campaign discounts
- ✓ Comparing tax-inclusive and exclusive values
Important limitation
Automated output is a preliminary assessment. Do not use it alone for legal, financial, medical, or security-critical decisions.
LEARN THE WORKFLOW
Guides for this tool
Preventing Hidden Errors in Text and Everyday Calculations
Use Unicode, deduplication, n-gram, percentage, tax, duration, and randomization tools audibly.
Read guide →ABOUT THIS TOOL
Frequently asked questions
Does this tool send input to a server?+
No. Processing runs in this browser tab. Data leaves the page only when you choose to copy or download the result.
Is the result definitive?+
The tool produces consistent output from disclosed rules and browser APIs, but context, data quality, and method limitations can affect it. Verify high-impact decisions.
Is input saved?+
No. Tool input is not persisted. With consent, only tool identity and usage count may be kept on this device for personal shortcuts.