22-second walkthrough
One PDF. Five spreadsheet rows. One ZIP.
A real production workflow with a synthetic vendor form and a five-row Excel workbook: match all nine fields, review every PDF, and export one ZIP.
- 1Review nine PDF fields once
- 2Match 9/9 Excel headers
- 3Approve five and export ZIP
PDF mail merge, without Word
How to fill multiple PDF forms from Excel
Keep the original PDF layout. Put column names in the first spreadsheet row and one customer, employee, vendor, or case in each row below it. JustFill creates a separate PDF for every selected row.
- 1
Upload the original PDF
Use an AcroForm, a flat PDF, or a scan. JustFill detects the fields before the merge.
- 2
Import XLSX or CSV
Dates, leading zeros, percentages, booleans, and spreadsheet headers are preserved for mapping.
- 3
Check the column mapping
Matching headers map directly. Ambiguous columns can use AI-assisted mapping.
- 4
Review and export
Approve the records you want and download individual filled PDFs in one ZIP.
Sample input
One new-hire roster row becomes one pre-filled onboarding PDF packet
| New Hire & Employee ID | Role, Worksite & Start Date | Packet Forms Included |
|---|---|---|
| Alex J. Morgan (EMP-3081) | Warehouse Associate · Dallas DC · 11/02/2026 | W-4 + I-9 + Direct Deposit + Handbook Ack |
| Sofia L. Ramirez (EMP-3082) | Field Service Tech · Austin Hub · 11/02/2026 | W-4 + I-9 + Direct Deposit + Fleet Policy |
| Marcus E. Vance (EMP-3083) | Shift Supervisor · Houston Port · 11/09/2026 | W-4 + I-9 + Direct Deposit + Safety Ack |
New Hire & Employee ID
Alex J. Morgan (EMP-3081)
Role, Worksite & Start Date
Warehouse Associate · Dallas DC · 11/02/2026
Packet Forms Included
W-4 + I-9 + Direct Deposit + Handbook Ack
Click any spreadsheet row above to preview its generated PDF. All 3/3 columns auto-matched by AI.
Upload your onboarding PDFs or build a Multi-PDF Packet
Start with IRS Form W-4, USCIS Form I-9, state tax withholding forms, direct deposit authorization, or your company’s flat/fillable policy PDFs.
Import your incoming hire roster from Excel or CSV
Export your hired cohort from Greenhouse, Workday, ADP, Gusto, Bullhorn, or Excel and map Employee Name, Address, Start Date, Role, Pay Rate, and Employer details.
Review drafts, export ZIP, or send e-sign links
Preview every new hire’s paperwork in the browser, download print-ready or interactive AcroForm PDFs in a ZIP, or share public /f/<token> e-sign links.
Where it fits
Built for orientation cohorts, staffing placements, and multi-form new-hire packets.
When 15 to 500 new employees start on Monday, HR and staffing coordinators shouldn’t waste hours typing the same employee name, ID, start date, worksite address, and employer EIN across five different PDFs. JustFill lets you map your ATS/HRIS Excel roster once and populate individual onboarding forms or Multi-PDF Form Packets in minutes.
32-second video walkthrough
Watch: Batch Fill Employee Onboarding Packets in 32 seconds
See the live browser workflow: upload one PDF template, import your Excel (.xlsx) or CSV spreadsheet, auto-match columns to detected PDF fields, preview every record, and download one filled PDF per row in a clean ZIP.
Simple pricing
Test five synthetic new-hire rows free before Monday’s orientation class.
Run the 5-row guided sample or download the onboarding CSV template. The $7 7-Day Pass covers a one-off hiring class up to 25 PDFs, while Starter ($19/mo), Pro ($49/mo), and Business ($99/mo) support recurring cohorts of 25, 100, and 500 new hires per batch.
$7 7-Day Pass — One-off batch up to 25 rows (25 clean PDFs in a batch ZIP + 25 AI credits, no subscription, $7 credited toward Starter)
Need recurring monthly runs, saved templates, and 125 clean output pages/month with AI column mapping? Choose $19/month Starter above.
Get $7 7-Day Pass (up to 25 rows)Running larger spreadsheet batches? Get Pro — $49/month for up to 100 rows per batch (or Business at $99/month for up to 500 rows).
Starter
Recommended first workflow
- AI field detection for 250 new pages per month
- Reusable templates — refills use no detection pages
- Up to 25 PDFs per batch
- 125 clean output pages per month
- Clean, watermark-free ZIP exports
- CSV and XLSX spreadsheet imports
- Review every record before export
Paid workflow
Combine W-4 + I-9 + Direct Deposit + Policy PDFs into one reusable onboarding workflow.
Save each onboarding form template once (or bundle 2–10 forms into a Multi-PDF Packet on Pro and Business plans) so every weekly hiring cohort uses the exact same CSV export.
Multi-PDF Onboarding Packets
Combine up to 10 PDFs (e.g., Offer Letter + W-4 + I-9 + Direct Deposit + Policy Sign-Off) and populate common employee fields across all of them at once.
Export interactive AcroForms or Shareable E-Sign Links
Pre-fill employer details, job title, and known contact fields from CSV, then let the new hire fill remaining withholding/bank choices and e-sign.
Works with flat Word/Canva HR policy PDFs
Turn flat company handbooks, equipment checklists, and client-specific staffing forms into fillable templates without Adobe Acrobat Pro.
Guardrails
Draft preparation with human review.
Clear boundaries
JustFill prepares onboarding PDF drafts from authorized worker and employer data your organization provides. It does not verify employment eligibility, inspect Form I-9 identity documents, submit E-Verify cases, calculate tax withholding allowances, or provide HR or legal advice.
Beyond manual uploads
Run the same PDF workflow from an AI agent or n8n.
The browser flow is the fastest way to validate a spreadsheet and PDF. Once the mapping works, the same JustFill account can expose PDF detection, filling, and saved templates through the hosted MCP endpoint.
ChatGPT, Claude and MCP
Give an agent a PDF, inspect detected fields, fill it, and save the reviewed layout for repeat use.
n8n automation
Trigger fills from a webhook, spreadsheet, CRM, or database and send the result to your next workflow node.
PDF Mail Merge Software
Browser-based PDF mail merge software to batch fill fillable, flat, and scanned PDFs without Acrobat plug-ins or VBA macros.
Fill Applications for Clients
Prepare recurring official forms, permits, and intake packets across client rosters from one structured spreadsheet.
Frequently asked questions
How do we pre-fill multiple onboarding PDFs (like W-4, I-9, and Direct Deposit) from one Excel roster?
Keep one row per new hire in your Excel (.xlsx) or CSV roster. Upload each onboarding PDF template to JustFill, map the shared columns (such as Employee Legal Name, Address, Start Date, Employee ID, and Employer Name/EIN), and export a clean ZIP of pre-populated PDFs — or combine 2–10 templates into a Multi-PDF Packet on Pro and Business plans.
Can we pre-fill the employer and contact sections and let the employee complete withholding or bank fields?
Yes. Many HR and staffing teams batch-export interactive AcroForm PDFs (or send a Shareable Fillable Link at justfill.app/f/<token>) with the employer’s business name, address, EIN, start date, and employee demographics pre-filled so the worker only completes their tax elections, bank routing/account numbers, and signature.
Does JustFill work with flat company policy PDFs exported from Word or Google Docs?
Yes. If your company’s direct deposit form, equipment agreement, or handbook acknowledgment is a flat PDF exported from Word or Google Docs, JustFill’s visual AI detects the blank lines, checkboxes, and signature blocks automatically.
Can we reuse our onboarding templates for every weekly hiring class?
Yes. Saved templates store your exact field positions and column mappings. When next week’s hiring cohort is exported from your ATS, upload the new CSV and generate the batch without using additional detection pages.
What is the fastest way to test this with our HR team?
Click "Try the sample batch" or "Download Ready-to-Use CSV/Excel Template" above to test 5 synthetic rows in your browser with zero signup or credit card required.
Does it work with scanned or flat PDFs?
Yes. JustFill detects field locations in fillable, flat, and scanned PDFs before mapping spreadsheet columns.
Does each spreadsheet row create a separate PDF?
Yes. The first row contains the Excel or CSV column names. Every selected data row becomes one reviewable PDF in the exported ZIP.
Is this the same as Word mail merge?
It uses the same one-row-per-document idea, but fills your existing PDF directly. You do not need to recreate the form in Word or convert the PDF first.
Can I review results before downloading?
Yes. Each spreadsheet row becomes a reviewable record. Approve the records you want before creating the ZIP.
Does JustFill email the generated PDFs?
Not in the current self-service batch. It creates individual PDFs and packages the approved files in a ZIP for download.
What happens to uploaded documents?
Transfers use TLS. Rendered page images are deleted within 7 days and source documents within 30 days unless you save the PDF as a reusable template.