Calculate smarter. Edit PDFs faster.
VaultDesk gives you a clean workspace for everyday calculations and PDF tasks. Use salary, tax, mortgage, loan, business, conversion and construction calculators, then merge, split, compress, convert and edit PDFs without installing software.
Find your tool
Search or jump straight to the most-used tools.
Choose a workspace
Each main tool area has its own page, so the homepage stays fast, clean and easy to use.
Calculators
Open the calculator hub for salary, tax, mortgage, loan, VAT, profit, date, conversion and construction tools.
PDF Tools
Merge, split, compress, convert, protect and organise PDF files quickly from one clean workspace.
Edit PDF
Add text, signatures, images, watermarks and page numbers. Rotate, delete and reorder pages.
Most-used tools
Start with the tools people need again and again.
Salary
Estimate take-home pay and deductions.
Loan
Work out repayments and interest.
Mortgage
Estimate repayments and affordability.
VAT
Add or remove VAT, GST or sales tax.
ROI
Measure return on investment.
Percentage
Calculate increases, decreases and shares.
Merge PDF
Combine PDF files.
Edit PDF
Edit and organise PDF pages.
Built to feel simple, smart and worth bookmarking.
VaultDesk is designed for repeat use. The site keeps the homepage focused, sends each tool to the right page and supports country-aware calculations, language choices and fast mobile access.
Free online calculators and PDF tools for everyday work
VaultDesk.app helps people save time when working with numbers and documents. Users can open one clean platform for calculations, PDF tools and document editing instead of moving between separate websites for every task.
The calculator section will focus on the most-used tools first, including salary, take-home pay, mortgage, loan repayment, VAT, GST, sales tax, profit margin, break-even, percentage, age, date difference, unit conversion, fuel cost and construction material calculators.
Some calculators will adapt by country, including currency, tax wording, local deduction names, VAT or sales tax terms, property language and measurement units. The PDF tools section will focus on fast document actions such as merging, splitting, compressing, converting and editing PDF files.