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Enterprise Regulatory AcroForm Engine

Automate Complex Legal & Federal Forms
With Sovereign Vector Precision.

Eliminate manual data transcription across USCIS, IRS, and corporate petitions. SpaceFill ingests candidate resumes, payroll records, and corporate profiles to auto-populate multi-page AcroForms in seconds—guaranteeing 100% vector fidelity and zero cloud data retention.

Sub-Pixel Field Calibration
Zero Cloud Retention
Audit-Ready Vector PDF
Select a fillable PDF form or drag and drop

Supports standard AcroForm documents (Tax, Legal, USCIS, Employment)

Official AcroFormsMax file size: 50MB·💡 Don't have a file? 20+ official forms are already pre-loaded below ↓
⚡No PDF to upload? 20+ official USCIS, DOL & federal filings are pre-loaded:
Browse all 20+ pre-loaded forms ↓
form_i129_petition.pdf
38 Pages · 927 Fields
Part 1. Petitioner Information⌛ Scanning Fields…
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Pre-Loaded Official Filings · No PDF Upload Required

Official Federal & Immigration AcroForm Registry

“No document on hand? You don't need to upload your own PDF. Select any of the 20 pre-calibrated federal filings below to auto-populate and test directly in the studio with pre-mapped vector fields.”

20 Calibrated Official Filings
·3,500+ Fields Mapped·100% Vector Quality·USCIS, DOL & DOS 2024–2026 Compliant
🔍
Tactile Form Catalog: Click any form card to immediately open and auto-fill it with your documents.
20 Compliance Forms Ready
Form I-129
USCIS
★ Flagship H-1B

Petition for a Nonimmigrant Worker

High-volume corporate petition for nonimmigrant specialty occupations and intracompany transferees. Auto-maps 927 fields in under one second.

H-1B, L-1, O-1, P-1, TN, & E-2 Specialty Petitions
38 pgs·927 fields
Fill Form
Form I-140
USCIS
Work & Petitions

Immigrant Petition for Alien Workers

Permanent immigrant worker preference petitions for priority researchers, advanced degree executives, and skilled corporate professionals.

Permanent Employment Preference (EB-1, EB-2, EB-3)
9 pgs·180 fields
Fill Form
Form I-765
USCIS
★ Priority EAD

Application for Employment Authorization

Streamline statutory work authorization filings for OPT/STEM extensions, DACA candidates, and pending adjustment applicants with precision comb-digit alignment.

Employment Authorization Document (EAD)
7 pgs·142 fields
Fill Form
Form I-9
USCIS
★ Audit Essential

Employment Eligibility Verification

Mandatory Section 1 & 2 employment verification for corporate hires. Guarantees audit-ready compliance against federal statutory standards.

Mandatory Federal Identity Audit Compliance
4 pgs·85 fields
Fill Form
Form I-129S
USCIS
Work & Petitions

Nonimmigrant Petition Based on Blanket L

Expedited multinational corporate transferee processing for executives, managers, and specialized knowledge experts under approved blanket L petitions.

Intracompany Executive & Managerial Relocation
6 pgs·120 fields
Fill Form
Form I-907
USCIS
Work & Petitions

Request for Premium Processing Service

Guaranteed 15-calendar-day expedited USCIS adjudication docketing for qualifying employment petitions, appeals, and corporate filings.

Guaranteed 15-Day Expedited Adjudication
3 pgs·45 fields
Fill Form
ETA Form 9089
DOL
Work & Petitions

Application for Permanent Employment Certification

Department of Labor PERM certification verifying that there are insufficient able, willing, and qualified U.S. workers available before immigrant petitions.

PERM Labor Certification · Department of Labor
15 pgs·310 fields
Fill Form
Form I-130
USCIS
★ Family Core

Petition for Alien Relative

Establishes a qualifying family relationship for a foreign citizen relative to immigrate to the United States (spouses, children, parents, siblings).

Family Relationship & Preference Categories
12 pgs·450 fields
Fill Form
Form I-864
USCIS
Family & Relatives

Affidavit of Support Under Section 213A

Legally enforceable contract showing the sponsor has adequate means of financial support and the intending immigrant will not become a public charge.

Legally Enforceable Financial Sponsorship
12 pgs·219 fields
Fill Form
Form I-485
USCIS
★ Core Green Card

Application to Register Permanent Residence

Flagship 20-page Green Card application. Automates hours of complex biographical, immigration history, and admissibility schedules.

Adjustment of Status (Green Card Application)
20 pgs·410 fields
Fill Form
Form I-693
USCIS
Green Card & Status

Report of Immigration Medical Examination

Official medical examination and vaccination record certified by an authorized USCIS Civil Surgeon for adjustment of status compliance.

Civil Surgeon Health & Immunization Record
11 pgs·155 fields
Fill Form
Form I-751
USCIS
Green Card & Status

Petition to Remove Conditions on Residence

Removes conditions on 2-year marriage-based green cards to transition the conditional permanent resident to full 10-year lawful permanent resident status.

Marriage-Based Conditional Status Removal
11 pgs·329 fields
Fill Form
Form I-829
USCIS
Green Card & Status

Petition by Investor to Remove Conditions

EB-5 immigrant investor petition demonstrating full capital investment and the required creation of 10 full-time jobs for qualifying U.S. workers.

EB-5 Investor 10-Job Creation Verification
10 pgs·359 fields
Fill Form
Form I-539
USCIS
Green Card & Status

Application to Extend/Change Nonimmigrant Status

Used by dependents (H-4, L-2), students (F-1), and temporary visitors (B-1/B-2) to extend their lawful stay or change to another nonimmigrant status.

Dependents, Students & Visitor Extensions
7 pgs·159 fields
Fill Form
Form I-90
USCIS
Green Card & Status

Application to Replace Permanent Resident Card

Statutory 10-year Permanent Resident Card renewals, biometric credential updates, and rapid replacement of lost, stolen, or damaged cards.

10-Year Green Card Renewal & Replacement
12 pgs·110 fields
Fill Form
Form I-131
USCIS
Travel & Parole

Application for Travel Documents

Multi-purpose travel authorization ensuring seamless international travel and reentry privileges for pending status beneficiaries.

Advance Parole, Reentry Permits & Travel Foils
9 pgs·130 fields
Fill Form
Form I-131A
USCIS
Travel & Parole

Application for Carrier Documentation

Emergency consular carrier documentation and airline boarding credentials for lawful permanent residents stranded outside the United States.

Emergency Airline Boarding Foil & Consular Letter
5 pgs·65 fields
Fill Form
Form N-400
USCIS
★ Citizenship

Application for Naturalization

Comprehensive application used by eligible lawful permanent residents of 3 or 5 years to apply for United States citizenship.

United States Citizenship Application
14 pgs·440 fields
Fill Form
Form DS-160
Consular
Citizenship & Consular

Online Nonimmigrant Visa Application

Mandatory electronic visa application for all individuals applying for a nonimmigrant visa (B-1/B-2, F-1, H-1B, L-1, O-1) at U.S. embassies worldwide.

Consular Web Filing (CEAC Embassy Stamping)
8 pgs·160 fields
Fill Form
Form DS-260
Consular
Citizenship & Consular

Online Immigrant Visa Application

Electronic immigrant visa application filed with the Department of State by beneficiaries residing abroad after petition approval.

National Visa Center (NVC) Consular Processing
12 pgs·240 fields
Fill Form
Trusted by Enterprise Mobility & Legal Teams

Engineered for High-Stakes Compliance

See how corporate immigration practices, general counsel, and enterprise HR teams eliminate filing errors with SpaceFill.

★★★★★

“SpaceFill slashed our H-1B and EAD preparation turnaround from 45 minutes to under 30 seconds per beneficiary. The sub-pixel comb-box alignment on Form I-129 is extraordinary.”

ER
Elena Rostova
Managing Director, Global Mobility & Immigration
★★★★★

“The zero-retention security model satisfied our corporate risk committee on day one. Candidate PII and payroll records process locally in the browser without leaving our perimeter.”

MS
Marcus Sterling
VP of Legal Operations & Compliance
★★★★★

“Unlike generic PDF overlay software, SpaceFill compiles directly into the native AcroForm tree. Barcodes, federal agency seals, and attorney appearances stay 100% audit-compliant.”

SL
Sophia Lin, Esq.
Partner, Business Immigration Practice Group

How SpaceFill Works

Enterprise-grade document intelligence designed specifically for complex legal and government PDFs.

1

Native AcroForm Ingestion

Extracts complete PDF tree hierarchies, comb field boxes, radio groups, and geometric text captions with zero quality loss.

2

Semantic & Fuzzy Matching

Ingests resumes, Word .docx, CSV, and text notes. Accurately maps identities, employers, tax IDs, and addresses without hallucination.

3

Crisp Vector PDF Export

Compiles directly into native AcroForm data objects. Original vector typography, barcodes, and government seals remain 100% sharp.

Frequently Asked Questions

Details on field precision, document intake, and privacy architecture.

SpaceFill parses the internal AcroForm tree of your PDF to map every field's exact location, field type (text inputs, comb digits, checkboxes, dropdowns), and bounding coordinates. When you attach a resume or biographical notes, our mapping engine identifies matching data entities and populates all relevant fields with vector accuracy.