100% In-Browser Engine • Zero Server Storage

Turn Any PDF into a Fillable Form

Drag & drop any PDF to add fillable text fields, checkboxes, dropdowns, and digital signatures in seconds.

Drag & drop your PDF file here or choose an option below to browse files from your device
Turn PDFs into Fillable Forms on your Mac/PC

Authoring & drag-and-drop placement works best on desktop. Test & fill sample forms right here on mobile!

Desktop & Tablet Recommended: For drag-and-drop field placement. Created forms can be filled out on any device!
INTERACTIVE PREVIEW

How JustForms Works

Experience how easy it is to add interactive text fields, checkboxes, dropdowns, and digital signatures to any document.

JustForms Canvas — Interactive Live Playground
LIVE PLAYGROUND — TRY TYPING!
CONFIDENTIALITY & NON-DISCLOSURE AGREEMENT
Interactive Fillable Form • Works in Adobe Reader, Apple Preview & Web Browsers
Text Field
Dropdown
Digital Signature
Alex Morgan ✓ Verified
FILLABLE FORM READY 240 × 32 px
VERSATILE DOCUMENT SOLUTIONS

Built for Every Form, Contract & Invoice Need

Whether you need commercial billing invoices, patient intake forms, rental property leases, or NDA contracts—JustForms generates razor-sharp, compliant fillable PDFs in seconds.

Commercial Billing & Invoicing

Send professional fillable billing documents. Add itemized line totals, payment terms, tax IDs, and recipient signature blocks.

📄 Commercial Invoices ✍ Estimates & Quotes 💳 Payment Receipts

Patient Intake & Consent Forms

HIPAA-safe patient onboarding with zero cloud server storage (100% private in-browser execution). Collect medical history & HIPAA release signatures.

📋 Patient Intake Forms 🛡️ HIPAA Consent 🏥 Insurance Claims

Property Management & Leases

Streamline tenant screening applications and lease contracts. Dual-party signature blocks for Landlord and Tenant execution.

🏠 Lease Agreements 🔍 Tenant Applications 🔑 Move-In Checklists

HR, Tax & Employee Onboarding

Onboard new hires with fillable W-9 / W-4 tax forms, employment screening questionnaires, and employee NDA agreements.

📝 W-9 Taxpayer Forms 👔 Job Applications 🔒 Employee NDAs

Legal Contracts & Compliance

ISO 32000 AcroForm compliant legal contracts. Enforce required signature fields, date stamps, and read-only field locks.

📜 Mutual NDAs 🤝 Retainer Contracts 📑 Client Disclosures

Client Onboarding & Services

Create fillable application forms, registration documents, and contract agreements without expensive PDF subscriptions.

📊 Service Agreements ✍ Fillable Registration 🔒 100% Free Forever
TRY WITH SAMPLE DOCUMENTS

Or test with a Sample PDF

Click any sample document below to load it into the editor and start adding interactive form fields.

PREVIEW
Standard Commercial Invoice
From: CompanyTo: Client
Invoice # / DateTerms / Due Date
Itemized Description & Amount
Billing 15 Form Fields

Commercial Invoice Form

Standard billing invoice with itemized line items, totals & notes.

TAX & BILLING
Form W-9 (Taxpayer ID)
NameBusiness Name
Tax Classification Dropdown
SSN / EIN✍ Signature
Open in Editor ➔
Tax & Legal 8 Form Fields

W-9 Taxpayer ID Form

IRS-compliant taxpayer identification form.

LEGAL CONTRACT
Non-Disclosure Agreement
Disclosing PartyReceiving Party
✍ Discloser Sig✍ Recipient Sig
Open in Editor ➔
Agreement 2 Signature Blocks

Mutual NDA Agreement

Two-party confidentiality contract with dual signature blocks.

REGISTRATION
Client Registration & Intake
First & Last NameEmail Address
Service Package✍ Client Sign
Open in Editor ➔
Registration Autofill Ready

Client Intake & Registration

Fast customer onboarding & contact registration form.

HR & HIRING
Employment Application
Candidate NamePosition Applied
☑ Work Auth✍ Candidate Sig
Open in Editor ➔
HR & Hiring Multi-Section

Job Application Form

Screening form with employment verification & signature.

REAL ESTATE
Residential Lease Agreement
Landlord & TenantProperty Address
✍ Landlord Sig✍ Tenant Sig
Open in Editor ➔
Real Estate 10 Form Fields

Residential Lease Agreement

Standard rental contract with rent terms & signature blocks.

PROPERTY MGT
Tenant Rental Application
Applicant Name & Income
☑ Background Consent✍ Applicant Sig
Open in Editor ➔
Property Mgt Screening Form

Rental & Tenant Application

Tenant screening form with income & background consent.

ENGINEERED FOR SPEED & PRIVACY

Everything you need to craft perfect forms

No bloated subscriptions or cloud uploads. Just a fast, professional PDF form suite.

Interactive Digital Signatures

Place signature fields (press S). Signers can draw with trackpad/mouse or generate clean cursive handwriting with zero quality loss.

Johnathan Doe Adopted & Verified

Alt + Drag Duplication

Hold Option/Alt and drag any field on canvas to duplicate instantly with automatic name increments.

Multi-Page Documents

Add, remove, and switch pages easily. Form fields are distributed across their exact target pages in the final PDF.

100% Client-Side Privacy

Your documents, signatures, and confidential client data never touch a remote server. Everything is processed locally in browser memory.

Figma-Style Magnetic Snapping & Guides

Snap to edges and centers with glowing alignment lines. Multi-select with box lasso, distribute evenly, and align to perfection.

VERIFIED USER FEEDBACK

What Users Are Saying

Real reviews submitted by users directly from the editor.

Showing 6 Reviews
BUILT IN PUBLIC • MIT LICENSE

100% Free & Open Source Forever

JustForms is built transparently for developers, privacy enthusiasts, and teams who want complete control over their PDF tools.

MIT Licensed

Free for personal, educational, and commercial projects without restrictions or hidden paywalls.

Zero Backend Lock-In

Runs entirely in client memory using HTML5 & JS. Easily self-host on Vercel, GitHub Pages, or any static host.

Community Driven

Contribute features, report issues, and inspect every line of source code on GitHub.

Standard AcroForms

Generates standard ISO 32000 PDF AcroForms compatible with Adobe Acrobat, Mac Preview, Chrome, and Edge.

Star & Contribute on GitHub

Frequently Asked Questions

Everything you need to know about creating fillable PDF forms with JustForms.

Is JustForms really 100% free?

Yes! JustForms is completely free to use. There are no subscriptions, paywalls, watermarks, page limits, or account registrations required.

Are my uploaded documents private and secure?

Absolutely. JustForms processes all PDF parsing, field placement, and AcroForm generation 100% locally in your web browser memory. Your documents and client data are never uploaded to any remote server or third-party cloud.

Will the generated fillable form work in Adobe Acrobat & Mac Preview?

Yes. JustForms exports strict ISO 32000 compliant PDF AcroForms. When clients open your PDF in Adobe Acrobat Reader, macOS Preview, Google Chrome, Microsoft Edge, or DocuSign, they can click, type, select dropdowns, check boxes, and sign seamlessly.

How does the Smart Auto-Detect feature work?

The Smart Auto-Detector analyzes the spatial layout and text geometry of your PDF to find labels, blank underlines (_______), and checkboxes ([ ]), automatically generating interactive form fields in under 30 milliseconds.

Ready to make your PDF fillable?

Upload any PDF to start placing text fields, dropdowns, and digital signatures.

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