Extract text from least recently used cache files (LRU)
To convert LRU cache files to another format, you need Google Chrome or other Data software.
To convert other file formats to the "Cache Index File" file type, you need software like Google Chrome or a similar tool.
The .LRU file functions primarily as a Browser cache index file utilized by Google Chrome and similar applications. It records which temporary web files were accessed least recently, allowing the system to efficiently delete old data and free up disk space. The format often relies on underlying SQLite database structures to manage these records.
Typically, .LRU files are managed automatically by the web browser in the background. Advanced users looking to inspect these files can sometimes use database tools like DB Browser for SQLite or basic hex editors. You can learn more about the underlying concepts on Wikipedia's Cache replacement policies page.
Users often attempt to convert .LRU files when trying to recover lost browser history, cached images, or forensic data. The major disadvantage of this format is that it is highly specialized and not intended for human readability. It does not contain actual media or readable web pages; instead, it holds system-level pointers and indexed metadata. Opening it without the original software often results in unreadable, garbled text.
The most practical conversion targets for an .LRU file are TXT (to extract raw readable strings) or CSV (if the underlying database tables can be exported). Attempting to convert this file to a document or image format will fail because the required data simply does not exist within the file.
This file format is difficult to open or convert because it is a closed, proprietary system file designed specifically for machine reading. Standard online converters fail to process it because they expect standard document or media headers. However, just drag and drop your file to convert.guru to identify the format, view it, and convert it when possible. Our system can inspect the raw file, extract internal text strings, and if our analysis detects a supported embedded database format, viewing or data extraction may still be possible.
Convert.Guru analyzes your LRU file, detects the exact format, and lets you read the text inside.
Users also converted PG2, BEACON and JR files.
If you want to convert LRU file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use Google Chrome or similar software from the "Browser Cache Indexing" 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 LRU, try Google Chrome or another comparable tool in the "Browser Cache Indexing" category.
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 LRU converter.