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CNAB File Reader
CNAB File Reader: Read and interpret cnab and file with speed and clarity. Runs straight in the browser and keeps the workflow lightweight. Built for quick.
No sign-up
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100% free
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Private
Drag and drop your CNAB file here
.txt, .rem, .ret, .cnab
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Free plan shows the first 50 records. Upgrade to Pro to view the complete file and export to CSV.
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Why use CNAB File Reader
People searching for quick answers often land here because CNAB File Reader matches common searches such as CNAB File Reader, online cnab and file and a practical way to handle cnab The page helps interpret cnab and file in a more practical way, surfacing the information people usually need first.
Use CNAB File Reader when you need to extract the practical meaning from raw input without opening spreadsheets, heavy editors or back-and-forth forms. Useful for budgets, projections, payroll checks and practical money decisions that need a transparent calculation. The page is structured to answer the practical question first, then give enough context to review the result with confidence. That matters when a small tool is supposed to remove friction instead of creating more.
Where this tool is most useful
- Direct handling for a practical way to handle CNAB File Reader
- Clear output that is easier to review and trust for money decisions with transparent logic
- Local-first handling for Works well in short operational workflows
For client-side tools, the page highlights local execution and practical steps so the result feels trustworthy before you move on. If this step is only part of your workflow, nearby tools like NF-e XML Viewer, Validate NFe Key and PIX Decoder help you continue without redoing context from scratch.
CNAB File Reader — Parse Brazilian Banking CNAB 240/400 Files
The CNAB File Reader parses Brazilian banking CNAB 240 and CNAB 400 remittance and return files, displaying their contents in a structured, human-readable format. Upload your CNAB file and instantly see headers, trailers, details, and every field decoded with its meaning.
CNAB (Centro Nacional de Automação Bancária) files are fixed-width text files used by Brazilian banks for electronic fund transfers, boleto processing, payroll, and payment collections. The tool identifies the file layout (240 or 400 positions per line), detects the originating bank, and breaks each record into its component fields — company codes, bank branches, account numbers, payment amounts, dates, and status codes — according to FEBRABAN specifications.
Financial analysts use this tool to inspect return files and debug payment rejections. ERP developers use it to validate CNAB output from their systems before sending to banks. Accountants review remittance files to verify payment batches and reconcile bank statements with internal records.
CNAB File Reader is part of the facilita.tools suite of free browser-based financial utilities. Available in Portuguese, English, and Spanish, optimized for desktop and mobile browsers.
Frequently Asked Questions
What does CNAB File Reader do?
CNAB File Reader helps you read and interpret cnab and file with a short, direct workflow. It is meant for people who need an answer quickly without losing the context behind the result.
When should I use CNAB File Reader?
Use CNAB File Reader when the priority is speed, repeatability and fewer manual steps. It works well for quick checks, operational routines and situations where you do not want to open a full application for a small task.
Does CNAB File Reader keep my data private?
For client-side tools, the main processing happens in the browser. That reduces friction for sensitive or temporary inputs and makes the page useful for quick private checks.
How is CNAB File Reader different from nearby tools?
CNAB File Reader focuses on one narrow job so the page stays fast and easier to trust. If your workflow continues after this step, NF-e XML Viewer is the kind of related tool you would use next.
What is a CNAB file?
CNAB is a standardized fixed-width text file format used by Brazilian banks for electronic transactions — boleto payments, fund transfers, payroll, and collection. CNAB 240 has 240 characters per line; CNAB 400 has 400.
Which banks' CNAB layouts are supported?
The tool follows the FEBRABAN standard layout, which is used by all major Brazilian banks including Banco do Brasil, Bradesco, Itaú, Santander, Caixa, and Sicoob.
Is my financial data kept private?
Yes. The file is parsed entirely in your browser. No data is uploaded to any server, ensuring complete confidentiality of your banking information.