Guide
How to Parse W-2 PDFs into Structured JSON
Manually typing data off w-2s is repetitive and error-prone. This workflow turns a supported w-2 into reviewable, structured data for developers, lenders, and verification platforms building automated W-2 workflows.
The 4-step method
- 1
Upload your w-2
Choose a supported PDF or image of the w-2. Clear, complete source files generally make review easier.
- 2
Let the AI structure it
The parser identifies configured w-2 fields and prepares structured output. Processing time varies with file length, format, and image quality.
- 3
Review the extracted fields
Compare low-confidence values with the source document. Tax, legal, medical, and financial fields should be verified before use.
- 4
Export the reviewed data
Download the reviewed result as JSON, CSV, or Excel, copy it to your clipboard, or retrieve it through the API.
What gets extracted
- ✓Wages, tips, other comp (Box 1)
- ✓Federal income tax withheld (Box 2)
- ✓Social Security wages & tax (Boxes 3-4)
- ✓Medicare wages & tax (Boxes 5-6)
- ✓State wages & tax (Boxes 15-17)
- ✓Employer EIN & name
Manual entry vs. AI extraction
| Manual typing | W-2 Parser | |
|---|---|---|
| Processing | Field-by-field re-keying | Automated first pass; time varies by file |
| Quality control | Manual proofreading | Per-field confidence signals + human review |
| Scales to volume | Add headcount | Batch + API |
| Output | Manual spreadsheet | JSON, CSV, Excel |
FAQ
How do I extract data from a w-2?
Upload a supported w-2 file to W-2 Parser, review the structured fields and confidence signals, then export the checked result as JSON, CSV, or Excel.
Do I need to build a template or train a model?
No document template is required for the first extraction. Layout and image quality still affect results, so test a representative file before adopting the workflow.
Can I extract data from a scanned or photographed w-2?
Supported scans and clear phone photos can be processed. Image quality affects the result, and confidence signals identify fields that may need a manual check.
How do I extract data from many w-2s at once?
Paid plans offer batch and API workflows. Start with representative files, define review thresholds, and verify the output before scaling volume.
Is my w-2 data secure?
Documents are processed and discarded — files are not retained after extraction. The extracted data lives in your account until you delete it.