News · Technology · Data
Information that makes sense, in one place
News, technology, economy and public data explained — with free tools for your everyday life.
Featured
Analysis that explains the numbers
News, technology, economy and science explained without jargon — with sources, data and tools so you can check.
See all news
Tools
How much to save each month to reach a goal
A trip, an emergency fund, a down payment: see how to turn a goal into a monthly amount — and how interest helps.
News
Pix Automático: how recurring payments work on Pix
Utilities, school fees, gyms, subscriptions: learn how to authorize, cap and cancel recurring payments on Pix.
Topics
Explore by subject
News
3 postsExplainers on what changes in your life: laws, public services, the economy and reliable information.
Technology
3 postsPractical guides to digital security, apps and technology for everyday life and small businesses.
Tools
3 postsHow to get the most out of our free calculators and generators, with step-by-step examples.
Data
3 postsDashboards and analysis built on official public data, updated automatically.
Tools
Tools for you
Free generators, calculators and utilities for work and everyday life. No sign-up.
Compound interest calculator
FinanceSee how your money grows with an initial amount, monthly contributions and compound interest, using today’s Selic and CDI rates. Free, no sign-up.
Lotteries: results and statistics
Data · BetaOfficial results, prizes, winners and statistics for Brazilian and US lotteries, with a ticket checker and number generator.
Base64 encoder and decoder
DevelopmentEncode and decode Base64 online for free: text with accents and emoji (UTF-8), files and images, data URLs and the URL-safe variant. All in your browser.
Color converter
DevelopmentConvert between HEX, RGB, HSL, HWB and OKLCH, check WCAG contrast (AA/AAA) and generate tints and shades, ready for CSS and Tailwind.
Fixed income calculator (Brazil)
Finance · BetaCompare Brazilian CDBs, LCI/LCA, Treasury bonds (Selic, fixed-rate, IPCA+) and savings for the same amount and term, with taxes and real return.
Hash generator
DevelopmentGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes of text or files, compare with the expected checksum and compute HMAC. Free, in your browser: nothing is uploaded.
Technology
Digital security made simple
Practical guides to protect your accounts and make technology work for you.
All about Technology
Public data, updated automatically
We pull numbers from official sources — government, central bank, research institutes — and turn them into open dashboards. No spreadsheets, no copy-paste.
Explore the data- Selic rate (target)
- 13.75%
- -1.25 p.p. in 12 months
- CDI rate (annualized, 252)
- 13.65%
- -1.25 p.p. in 12 months
- IPCA inflation (12 months)
- 4.58%
- +0.32 p.p. in 12 months
Open data
Source: Central Bank of Brazil · Nov 7, 2026
Free account
Your tools, one tap away
Create a free account to pin the tools you use most and choose the topics you care about.
Create my account