Conversion Plan: Non-Registered User
File Size Limit: 10 MB
Conversions: 5 / Daily (up to 50 / Monthly)
Online Converter: Convert XML file to Apache Parquet columnar format
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Convert XML files to Apache Parquet format for efficient storage and high-performance analytics. Transform hierarchical XML data into optimized columnar format that's 5-10x smaller and dramatically faster to query in Spark, Athena, and other analytics platforms.
Whether you're ingesting XML feeds into a data lake, archiving enterprise system exports, or preparing XML data for analytics, converting to Parquet optimizes both storage costs and query performance.
Nested XML rarely maps cleanly onto a single flat table. The Output layout option lets you choose exactly how nested elements and attributes become rows and columns in the Parquet. Pick the shape that matches how you will use the data:
One column per element or attribute, one row per record. The default, and the best fit for flat, record-style XML.
<order id="1001" status="paid"><item sku="A1" qty="2">Widget</item></order>
| order | id | status | item | sku | qty |
|---|---|---|---|---|---|
| 1001 | paid | Widget | A1 | 2 |
Two columns, the element or attribute path and its value, with one row per value. Ideal for deeply nested or irregular XML where a fixed set of columns does not fit.
<order id="1001" status="paid"><item sku="A1" qty="2">Widget</item></order>
| key | value |
|---|---|
| order/@id | 1001 |
| order/@status | paid |
| order/item/@sku | A1 |
| order/item/@qty | 2 |
| order/item | Widget |
Every element on its own row alongside its path, text and attributes. Useful for flattening or auditing all values in one long list.
<order id="1001" status="paid"><item sku="A1" qty="2">Widget</item></order>
| path | text | attributes |
|---|---|---|
| order/item | Widget | sku=A1; qty=2 |
| order | id=1001; status=paid |
The path is split across columns (level 1, level 2, and so on) followed by the value and attributes. Good for pivot-style analysis by depth.
<order id="1001" status="paid"><item sku="A1" qty="2">Widget</item></order>
| level_1 | level_2 | value | attributes |
|---|---|---|---|
| order | item | Widget | sku=A1; qty=2 |
| order | id=1001; status=paid |
XML is widely used for data exchange and enterprise integrations, but it's not optimized for analytics. Converting to Parquet unlocks significant advantages:
The converter analyzes your XML structure and flattens hierarchical data into a tabular format optimized for Parquet's columnar storage. XML elements and attributes become columns, and repeating elements become rows with proper data types inferred automatically.
The converter flattens XML hierarchical data into a tabular structure. XML elements and attributes become columns, repeating elements become rows, and nested structures are flattened with parent-child relationships preserved. Data types are automatically inferred for the Parquet schema.
Parquet files are typically 5-10x smaller than equivalent XML files due to columnar compression and the elimination of XML markup overhead. The actual ratio depends on your data content and structure.
Yes. Large XML files are processed efficiently, and the resulting Parquet file will be significantly smaller due to columnar compression. Unlike Excel, Parquet has no row limits.