Free online NDJSON-to-XLSX converter — upload a NDJSON file and download a XLSX. Fast, private, no signup.
Drop your NDJSON file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a XLSX to download. No software to install.
Yes. Convert NDJSON to XLSX for free right in your browser, with no account needed to get started.
Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.
Newline-delimited JSON (one record per line). Office Open XML spreadsheet (Excel).
Convert NDJSON to: JSON · YAML · PARQUET · AVRO · ORC · XML · PDF · CSV · HTML · ODS
Convert to XLSX from: AVRO · JSON · ORC · PARQUET · XML · YAML · PDF · CSV · ODS · TSV