pdfFiller Edit, fill, sign PDF

Review by eFreeware

If paperwork tends to arrive as a PDF and you would rather not open a laptop to deal with it, pdfFiller is built for that situation. It is a free Android app from airSlate, Inc. that handles editing, form filling, signing and file conversion in one place, and it has been on the Play Store since August 2015, with more than five million installs behind it.

The audience I would point to first is anyone who regularly has to fill in or sign documents on a phone: tenants signing a lease, freelancers returning a contract, parents completing school or medical forms, small business owners sending an agreement to a client. The app's pitch is that none of that requires printing, scanning or switching between several tools.

What appeals to me about the scope is the breadth. Editing, conversion, page organization and eSignature are usually spread across separate apps, and pdfFiller brings them together, with an online library of fillable forms on top.

Editing and filling documents on a phone

The core of the app is direct editing. You can type anywhere on a PDF page, highlight or black out text, drop in images, erase content and draw freehand on the file. That set of tools covers most of what people actually need from a PDF editor on a small screen: correcting a line, marking up a draft, adding a signature graphic or striking out something that should not be there.

Form creation is handled in the same editor. The app lets you build fillable PDF forms with fields, dropdowns and checkboxes, which is more than most mobile PDF tools attempt. If you send forms to other people or collect information and signatures from them, having that capability on the device is a meaningful advantage over apps that only let you type into existing fields.

One detail I like is that editing continues without a connection. Changes sync automatically once you are back online, so a document can be worked on in a place with poor reception and reconciled later. That is a sensible arrangement for anyone who reviews paperwork while traveling or between appointments.

Documents can come in from the device, from email attachments or from cloud storage, and the app connects to Dropbox, Google Drive and other services for direct access. Files stay reachable across devices rather than being stranded on one phone.

Converting images and files into PDFs

Conversion is handled inside the app, with no separate utility required. JPG images, photos and other files can be turned into PDFs directly, which is useful when a receipt, a photographed page or a screenshot needs to become a proper document before it is sent anywhere.

The same converter works in the other direction as an intake path: PDFs pulled from your device, email or cloud storage can be reworked and then sent onward. Finished documents leave the app by print, email, fax or a signature request, so the output can go straight into whatever workflow the recipient expects.

I would treat this as the quiet workhorse of the app. Converting a photo to PDF is not glamorous, but it is the step that turns a phone snapshot into something a landlord, insurer or client will accept without complaint.

Merging, splitting and rearranging pages

Page organization is included rather than left to a desktop program. Several PDFs can be merged into a single file, a long document can be split into separate ones, and pages can be reordered into whatever sequence you need. All of it happens inside the app.

The practical value here is in assembling packets. Combining a signed cover page, an ID scan and a completed form into one attachment is a common task, and being able to do it on the phone saves a trip back to a computer.

It also helps with cleanup. If a scan comes through with pages out of order or an extra blank sheet at the end, the tools to fix that are right there instead of in a separate service.

Signatures and collecting them from others

Signing is one of the app's headline features. The developer describes the electronic signature as legally binding, and signing a document takes a few taps rather than a printing and scanning cycle. For anyone who signs the same kinds of documents repeatedly, that alone can justify keeping the app installed.

It goes beyond your own signature. You can route a document to several signers in a set order and follow each one's progress as it happens. That turns the app into a light coordination tool for contracts and approvals, not just a personal editor.

The workflow assumes the other people involved are willing to sign electronically, which is now common but not universal. Where a counterparty insists on ink, the app's export options still let you print or fax the document, so the process does not dead-end.

The forms library

Alongside the editor sits an online library of fillable forms, which the developer puts at over 35 million documents. Templates cover contracts, tax paperwork and specific industries.

That library matters because it removes the blank-page problem. Instead of building a form from scratch or hunting for a template, you can search for the document type you need, fill it in and sign it within the same app. Tax season and contract work are the obvious beneficiaries.

The library is an online resource. The editing tools themselves keep working offline.

What it costs and what the free tier means

pdfFiller is free to download, carries no ads, and offers in-app purchases. The developer notes that the free PDF editor is available to new accounts within a set trial period, so the free experience is framed as a trial rather than an indefinite free tier.

There is also an account requirement attached to output. Exporting an edited file requires a pdfFiller account. In practice that means an email signup sits between you and your finished file, even for a simple edit.

I would not read the no-ads detail as a small thing. A document tool that interrupts work with advertising would be irritating, and pdfFiller avoids that entirely. The paid side of the app is funded through in-app purchases, not advertising.

The app also states that encryption, password protection and signer authentication keep files safe, which is the kind of reassurance people handling contracts and tax paperwork will want to see before uploading anything sensitive.

How it compares with other ways of handling PDFs

The most obvious alternative is the free PDF viewer that probably already sits on your phone. Those apps are fine for reading and often for light annotation, but they rarely offer form creation, page merging or a signature request workflow. pdfFiller is aimed at people who need to produce and send documents, not just look at them.

A desktop PDF suite is the other comparison. Those programs are powerful and familiar, but they tie document work to a computer. The case for pdfFiller is mobility: signing a contract that lands in your inbox while you are away from your desk, or filling a form the same day it arrives instead of adding it to a pile.

Dedicated eSignature services are a third option, and they tend to be focused on getting documents signed rather than on editing their contents. pdfFiller's advantage is that the editing, converting and organizing tools live in the same place as the signing, so a document can be corrected, assembled and then sent without changing apps.

The trade-offs are the account requirement and the trial framing of the free editor. Anyone who wants a purely local, no-signup PDF tool will find those conditions less convenient, while people who handle documents regularly will likely see them as a reasonable exchange for the feature set.

A capable document desk for your phone

pdfFiller covers a lot of ground: editing, form creation, conversion, page organization, signatures and a large forms library, with offline editing and cloud storage connections tying it together. For a free download with no ads, the range on offer is hard to match in a single Android app.

The conditions attached to it are worth weighing front. There is an account requirement before edited documents can be exported, the free editor is presented as a trial for new accounts, and in-app purchases exist.

My recommendation is for people who deal with PDFs as part of their working or administrative life: freelancers, small business owners, landlords, anyone who signs and sends paperwork regularly. If your PDF needs are occasional and limited to reading, a viewer will do, but for filling, signing and assembling documents on a phone, this is a strong candidate. The 3.9 average from more than 26,000 ratings suggests a broadly satisfied user base rather than a flawless one.

What's new in version 10.53.22790

• Bug fixes and performance improvements.