FAI Converter

Extract text from FAI files

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Drop or upload your .FAI file

Online File Converter

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How to extract text from your FAI file

Click the "Select File" button above, and choose your FAI file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.

Convert FAI to another file type

To convert your FAI file to another format, you need Notepad++ or other Data software.

Convert a file to FAI

To convert other file formats to the "Log & Index File" file type, you need software like Notepad++ or a similar tool.

About FAI files

The .fai file extension is a chameleon, serving three distinct and unconnected industries: financial services, bioinformatics, and embedded hardware.

1. Banking Transaction Failure Report

In the financial sector, particularly within the Indian banking system, .fai files are generated as Transaction Failure Reports. These are structured log files (often flat text or CSV-like) created when bulk transfers (such as NEFT, RTGS, or NACH) encounter errors.

The Problem: These files are generated by backend Core Banking Solutions (CBS) and are often raw, unformatted data dumps intended for server logs rather than human reading. Opening them in a standard text editor can result in jumbled text columns that are difficult to interpret.
The Solution: For auditing or presentation, users typically need to convert these raw logs into Microsoft Excel (.XLSX) for sorting or Portable Document Format (.PDF) for official archiving.

2. FASTA Index File (Bioinformatics)

In scientific research, a .fai file is a text-based index used alongside FASTA DNA sequence files. It is generated by tools like samtools to allow software to quickly locate specific sequences without scanning the entire genome.

The Problem: Users often mistake the .fai index for the actual sequence data. It contains only metadata (chromosome names, lengths, and offsets), not the genetic code itself.
The Solution: You likely do not need to "convert" this file, but you can open it as a TXT file to view chromosome lengths or import it into Excel to analyze genome structure.

3. Telechips Firmware Image

Less commonly, .fai files are firmware images or boot logos for devices running Telechips processors (common in automotive infotainment systems).

The Problem: These are proprietary binary blobs. They cannot be "opened" or "edited" in standard software.
The Solution: These files are strictly for flashing hardware using the Telechips FWDN V7 Tool. Converting them is generally not possible or useful.

Convert.Guru analyzes your FAI file, detects the exact format, and lets you read the text inside.

Users also converted FIA, PLO, JFM and MCB files.

FAQ

If you want to convert FAI file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use Notepad++ or similar software from the "Transaction Failure Reports" category. In the File menu, look for Save As… or Export….

To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to FAI, try Notepad++ or another comparable tool in the "Transaction Failure Reports" category.

The FAI Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our FAI converter.