Click the "Select File" button above, and choose your IAS file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert IAS to another file type
To convert IAS Analysis files to another format, you need Subtitle Edit or other Data software.
Convert a file to IAS
To convert other file formats to the "Machine Learning Annotation" file type, you need software like Subtitle Edit or a similar tool.
About IAS files
The .ias file extension represents a unique intersection of academic research and specialized engineering, primarily serving as a Scene Text Annotation Data file. These files are generated for use with ICDAR (International Conference on Document Analysis and Recognition) datasets, containing coordinate and text data used to train Optical Character Recognition (OCR) models. A secondary but critical use case is the Intermodulation Analysis System file created by Professional Wireless Systems. This format stores frequency coordination data used by RF engineers to manage wireless spectrums at large events.
The primary difficulty for .ias files is their opacity; they are often raw data files that cannot be opened by standard text editors or image viewers. Users working with the ICDAR variant typically need to convert these annotations into standard machine-learning friendly formats like COCO JSON, Pascal VOC XML, or plain TXT to feed into training pipelines (e.g., TensorFlow or PyTorch). Conversely, RF engineers carrying Intermodulation Analysis System files often struggle to share their frequency plans with clients who lack the expensive proprietary software. In these cases, converting the data to CSV (for Excel) or PDF (for reporting) is the standard workflow to ensure accessibility.
Convert.Guru analyzes your IAS file, detects the exact format, and lets you read the text inside.
If you want to convert IAS file to TAS, CAS, GS, EAS, OBJ, FBX, DAE, 3DS, MAX, BLEND, MA or MB, you can use Subtitle Edit or similar software from the "Scene Text Annotation Data" category. In the File menu, look for Save As… or Export….
To convert DWG, DAE, X3D, IGES, WRL, JT, SKP, 3DS, 3DM, OBJ, STEP or FBX files to IAS, try Subtitle Edit or another comparable tool in the "Scene Text Annotation Data" category.
The IAS 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 IAS converter.