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Fill in any fillable PDF form — text fields, checkboxes, choices — and save it. No Acrobat needed.
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How to Fill Out a PDF Form in 3 Easy Steps
Complete fillable PDF forms in your browser — no software needed.
Open Your PDF Form
Click Choose PDF File. Each page with fields is shown with numbered boxes, and a matching input appears for every field.
Fill In the Fields
Type your answers, tick checkboxes and pick options. Click a numbered box on the page to jump to its field.
Save and Download
Click Save Filled PDF. Tick Flatten first if the answers should no longer be changeable.
Why Use Toolszu Fill PDF Form
The simple way to complete PDF forms on any device.
All Field Types
Text boxes, multi-line text, checkboxes, radio buttons and drop-down lists.
Know Which Field Is Which
Every field is numbered on the page preview, so you always know where your answer goes.
Optional Flatten
Lock your answers into the page so nobody can change them.
No Upload
Forms often contain personal data — they're filled on your device only.
Works on Phones
Fill forms on iPhone and Android without an app.
Free, No Watermark
No Acrobat, no sign-up, nothing added.
Forms You Can Fill
Any PDF with fillable fields.
Government Forms
Tax, visa and application forms published as fillable PDFs.
Job Applications
Employment and onboarding forms.
Medical and Insurance Forms
Patient registration and claim forms.
School Forms
Admission, consent and enrolment forms.
Contracts and Agreements
Fill in names, dates and amounts.
Surveys and Order Forms
Complete checklists and order forms.
Tips for Filling PDF Forms
- No fields found? The form isn't fillable — use our PDF Editor to type anywhere on the page.
- Need to sign it? After filling, add your signature with Sign PDF.
- Sending it officially? Tick Flatten so your answers can't be changed later.
Frequently Asked Questions
Quick answers about filling PDF forms.
Open your fillable PDF on this page, type your answers in the fields shown next to the page preview and click Save Filled PDF. Then download it. It's free and needs no sign-up.
Then the form is just a printed-style page. Use our PDF Editor to type text anywhere on it.
It turns your answers into normal page content. The form looks the same, but the fields can no longer be edited.
XFA forms (made with Adobe LiveCycle) only work in Adobe Acrobat Reader. Most government and business forms are normal fillable PDFs that work here.
Yes. Answers in any language are saved in the form and shown by PDF readers. Flattening is only possible for Latin-alphabet answers.
No. Everything happens inside your web browser, on your own device. Your file is never uploaded, stored or seen by anyone.
Remove the password first with our free Unlock PDF tool (you'll need the password), then use the unlocked file.
Yes. It works in Safari, Chrome and other mobile browsers on iPhone and Android — no app needed.
Yes, it's 100% free. There's no sign-up, no premium version and no watermark or Toolszu logo added to your file.
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