How to extract text from your LEF file
- Click the "Select File" button above, and choose your LEF file.
- You’ll see a preview, if available.
- Click the "Convert file to..." button to extract text information.
Convert LEF to another file type
To convert your LEF file to another format, you need Swiss Timing or other Data software.
- LEF to DWG
- LEF to DXF
- LEF to DGN
- LEF to RVT
- LEF to RFA
- LEF to SKP
- LEF to 3DM
- LEF to STEP
- LEF to IGES
- LEF to SAT
- LEF to X_T
- LEF to X_B
Convert a file to LEF
To convert other file formats to the "Data Exchange Format" file type, you need software like Swiss Timing or a similar tool.
- SLDASM to LEF
- DGN to LEF
- PRT to LEF
- IAM to LEF
- X_B to LEF
- CATPRODUCT to LEF
- SLDPRT to LEF
- RVT to LEF
- ASM to LEF
- DWG to LEF
- CATPART to LEF
- DXF to LEF
About LEF files
The .LEF extension primarily refers to the LENEX Exchange Format, a specialized XML-based standard used to transfer swimming competition data between meet management software and timing systems. While the file contains structured text like athlete entries, split times, and heat results, the raw XML code is difficult to read manually and often exceeds 10MB for large meets. Users typically encounter friction because opening a .LEF file in Microsoft Word or Notepad reveals cluttered tags (e.g., <ATHLETE>, <RESULTS>) rather than a readable table. To analyze performance data or print start lists without purchasing expensive software like Swiss Timing or WinGrodan, users need to convert the file to Excel (.XLSX) for sorting or PDF for printing.
In engineering workflows, a .LEF file is a Library Exchange Format file developed by Cadence Design Systems. This ASCII file describes the physical layout of integrated circuits (IC), specifically defining cell geometry, pin locations, and layer obstacles for Place and Route (P&R) tools. These files are essential for chip design but are strictly technical; they cannot be opened by standard image viewers. Engineers often need to convert LEF files to GDSII for manufacturing or PDF to share visual layout abstracts with stakeholders who lack access to EDA tools like Virtuoso or LayoutEditor.
Convert.Guru analyzes your LEF file, detects the exact format, and lets you read the text inside.
Users also converted LXF, XMEF, SBF, IRF, SIG, PLAN, PDF, TXT, LRF, ZIP, WEBARCHIVE, CDW and RPMSG files.
The LEF 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 LEF converter.