Access free financial tools.
Look up codes, identify charges, run the numbers, and find the right form. Every free finance tool you need, in one place.
A toolkit for every finance question
Free, fast, and always up to date. Pick a tool below and get your answer in seconds.
Charge Identifier
Type any mystery merchant descriptor and instantly find out which company actually charged your card.
Open Charge Identifier
Finance Agent
AI that finds recurring charges, hidden savings, and subscriptions to cancel.
Open Finance Agent
Expense Categories
Browse merchant category codes and expense types for cleaner books.
Open Expense Categories
Crypto Calculator
Convert between major fiat and crypto currencies at live exchange rates.
Open Crypto Calculator
ACH Returns
Look up any ACH return code to understand why a transfer was rejected.
Open ACH Returns
ROI Calculator
See exactly how much more you could earn from cashback and treasury yield by switching to Slash.
Open ROI Calculator
ACH Returns
Look up any ACH return code to understand why a transfer was rejected.
Open ACH Returns
Tax Forms
A complete reference for IRS business tax forms, deadlines, and requirements.
Open Tax Forms
SWIFT Codes
Find SWIFT/BIC codes for banks worldwide and route wire transfers correctly.
Open SWIFT Codes
IBAN Calculator
Generate or validate an IBAN for international transfers in any country.
Open IBAN Calculator
Card Decline Codes
Decode card decline reasons and learn how to fix them fast.
Open Card Decline Codes
Versus
Side-by-side comparisons of Slash and every major business banking platform — Brex, Ramp, Mercury, and more.
Open Versus
Versus
Side-by-side comparisons of Slash and every major business banking platform — Brex, Ramp, Mercury, and more.
Open Versus
Run your finances on Slash.
These free tools are just the start. Slash brings banking, cards, and treasury together on one platform built for modern businesses.