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Fillable PDF guides & how-tos

Step-by-step guides for creating fillable PDF forms — free, in your browser, with no software to install. Also see the use cases by profession.

A fillable AcroForm PDF being previewed in the browser in FormForge
Explainers

AcroForm vs XFA: PDF Form Formats Explained

AcroForm vs XFA explained: how the two PDF form formats differ, why it matters for compatibility, and which to pick for free, widely readable fillable PDFs.

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The FormForge properties panel configuring a signature field placed on a PDF
Guides

How to Add a Signature Field to a PDF

Add a signature field to any PDF for free. This quick guide shows how to place a reusable signature box and export a signable PDF right inside your browser.

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The FormForge editor toolbar with checkbox and other form field types on a PDF
Guides

How to Add Checkboxes to a PDF Form

Add working checkboxes to any PDF form for free. Learn to place, group and export interactive checkbox fields in your browser — no Acrobat or signup needed.

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Exporting a fillable PDF form in FormForge, a free browser-based form creator
Comparisons

Best Free Fillable PDF Form Creators (2026)

Compare the best free fillable PDF form creators of 2026 on privacy, field types and ease of use — so you can pick the right tool and start building today.

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Starting a new fillable PDF in FormForge after exporting a document from Word
Guides

How to Create a Fillable PDF From Word

Convert a Word document into a fillable PDF for free. Export from Word, then add text fields, checkboxes and signatures in your browser — no Acrobat needed.

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The FormForge editor showing form fields placed on top of an imported PDF document
Guides

How to Create a Fillable PDF Form for Free

Learn how to create a fillable PDF form for free with no software to install. A step-by-step guide to adding text fields, checkboxes and signatures in-browser.

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The FormForge editor with a completed fillable form and the Export PDF button ready
Guides

How to Make a PDF Fillable Without Acrobat

Make any PDF fillable without Adobe Acrobat, free. Follow this browser-based guide to add form fields and export a fillable PDF in minutes — no install needed.

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