Frequently Asked Questions
It allows bidirectional conversion between SPSS (.sav), JSON, and CSV formats while preserving metadata like variable labels, value labels, and variable types. You can convert from any of these formats to any other.
Without metadata, your data becomes harder to interpret. Labels explain what variables and values actually mean. This tool keeps that context intact.
Upload your file (.sav, .json, or .csv) and choose your preferred output format. For CSV to SPSS conversions, you can optionally provide a metadata file to preserve variable information. The conversion happens instantly and you can download the result.
Yes. Your file never leaves your browser—everything runs locally. We don't store or track your data.
The current version works best with files up to 50MB. Larger files may cause performance issues in-browser.
Missing values are preserved. In the JSON output, they appear as null.
Right now, only .sav files are supported. We're exploring support for .zsav and .por formats in future updates.
Batch uploads are not supported yet, but it's on our roadmap.
CSV format doesn't natively support metadata. We include an optional metadata file alongside your CSV so you can still access labels and variable descriptions.
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