pdfFiller has been filling PDFs for over a decade. It works. It's also showing its age in the parts that matter most — AI field detection, multilingual labels, and reusable profiles for packet workflows.
If you're evaluating pdfFiller for a team filling repetitive PDFs across languages, this side-by-side covers the parts the marketing pages don't.
It depends on the job. pdfFiller is mature, has a deep API, and integrates with airSlate for end-to-end document automation including signatures. Where it lags is AI field detection on diverse PDFs, multilingual label intelligence, and the packet-and-profile model that modern repetitive workflows need.
Does FillWizard have an API like pdfFiller does?
Not yet. pdfFiller's API is mature and battle-tested for high-volume backend filling. FillWizard's API is on the public roadmap. If your job is integrating PDF filling into a backend pipeline today, pdfFiller has the edge. If your job is teams filling forms in a web app, FillWizard's UX is faster.
Which is better for Arabic and right-to-left forms?
FillWizard, by a wide margin. We treat RTL as a quality requirement: native layout, dual-script (Arabic + Latin transliteration) profiles, and Arabic field detection on both fillable and scanned forms. pdfFiller can render Arabic but the filling experience degrades on RTL layouts.
Is FillWizard cheaper than pdfFiller?
Comparable for paid plans, with FillWizard offering a free tier at public launch. The right comparison isn't price — it's whether the tool matches your job. If you fill packets repeatedly across languages, FillWizard saves the most time. If you need API + signatures, pdfFiller's stack covers more ground.
Can I migrate from pdfFiller to FillWizard?
Yes. There's no lock-in. The exported PDFs from either tool are standard, flattened files. Identity profile data can be transferred manually for now (export/import is on the roadmap).