Is PDF Filler free to use?

Yes. PDF Filler is completely free with no hidden fees, subscriptions, or premium tiers. All features — text, signatures, images, page management — are available at no cost.

Do I need to create an account?

No account or registration is required. Simply open the website, upload your PDF, and start filling immediately.

Is my PDF file secure and private?

Yes. PDF Filler processes everything entirely inside your web browser. Your PDF file is never uploaded to any server. Your data stays on your device at all times.

Can I add a signature to a PDF?

Yes. You can draw a handwritten signature with your mouse or finger, or choose from several calligraphic font styles to type your signature. Signatures can be freely moved and resized.

What browsers does PDF Filler support?

PDF Filler works on all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, and Apple Safari on both desktop and mobile devices.

Can I fill PDF forms with existing form fields?

Yes. PDF Filler detects interactive form fields (text boxes, checkboxes, radio buttons) in your PDF and lets you fill them in directly. You can also add free-form text anywhere else on the page.

Can I rearrange or delete pages in my PDF?

Yes. The page sidebar lets you drag pages to reorder them, delete individual pages, or export a subset of pages as a new PDF.

Does PDF Filler work without an internet connection?

After your first visit, PDF Filler is cached by the service worker and can work fully offline. No internet connection is needed to fill and download your PDF.

Is PDF Filler a good alternative to SmallPDF?

Yes. Unlike SmallPDF, PDF Filler has no task limits, no mandatory sign-up, no file upload to any server, and no paywall. Every feature is free forever.

Can I fill out IRS tax forms like W-9 or W-4 for free?

Yes. Upload any IRS form — W-9, W-4, 1040, 1099, I-9 — and fill it in directly in your browser. Your tax documents never leave your device.

Does PDF Filler work on iPhone and Android?

Yes. PDF Filler works on iPhone, iPad, and Android in any modern browser including Safari and Chrome. No app download is required.

PDF Filler – Free PDF Filler, No Sign Up, No Upload

The only truly free PDF filler with no registration, no account, no upload and no paywall. Fill, sign and annotate any PDF entirely in your browser — your files never leave your device.

All Features — Free, No Account Required

Add text anywhere on any PDF page
Draw or type a handwritten signature
Fill interactive form fields (text boxes, checkboxes, radio buttons)
Add checkmarks (✓) and X marks anywhere
Insert images (PNG, JPG) into PDF pages
Rearrange, delete, and export pages
Add a text watermark to the document
Highlight and strikethrough text
Undo and redo any action
Download the completed PDF instantly
Works offline after first load (service worker cached)

Why PDF Filler vs SmallPDF, Adobe, ILovePDF?

Most PDF tools upload your files to their cloud, ask you to register, and eventually show a paywall. PDF Filler is different: no file upload, no registration, no paywall. Everything runs inside your browser — your documents stay completely private.

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