GST Calculator
Add or remove GST from an amount with a clear breakdown.
No account required. Upload, process, preview and download as a guest. Sign in only if you choose to save work or history.
Base amount: 1000.00
GST: 180.00
Total: 1180.00
Select the rate that applies to your supply. This calculator does not determine tax classification or filing obligations.
How it works
Upload → choose options → process → preview → download. The main action stays visible, and unsupported conversions remain hidden.
Privacy and limits
Guest files receive a private browser-bound owner token, expire automatically and can be removed immediately with Delete Now. We do not use document contents for advertising. Complex PDF reconstruction is not represented as perfect.