Formix PDF
Form Filling
Transform PDFs into editable forms instantly
Like Fill Genius, Formix PDF is in the Form Filling category. Formix PDF is freemium, while Fill Genius is paid. Worth comparing on the detail page.
We've curated 47 of the best alternatives to Fill Genius, ranked by feature overlap, topic similarity, user ratings, and popularity. Formix PDF, Ai Form Filler, and FillBot lead the list as the closest matches.
Updated May 18, 2026
The list includes 2 free alternatives, 2 freemium, 42 paid, and 1 with a free trial, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. Fill Genius itself is paid, which makes paid alternatives the most natural starting point.
Many of these tools cluster around use cases like Automation, Productivity Tool, Document Processing, and Chrome Extension — the same problem spaces Fill Genius addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with Fill Genius.
Ranked by compatibility score
Form Filling
Transform PDFs into editable forms instantly
Like Fill Genius, Formix PDF is in the Form Filling category. Formix PDF is freemium, while Fill Genius is paid. Worth comparing on the detail page.
Form Filling
Automatically fill forms with AI-generated realistic data.
Like Fill Genius, Ai Form Filler is in the Form Filling category. Ai Form Filler is free, while Fill Genius is paid. Worth comparing on the detail page.
2 free and 2 freemium options.
4 free or freemium alternatives to Fill Genius on /tools/fill-genius/alternatives.
42 paid options.
23 additional candidates
Formix PDF ranks as the highest-scoring alternative to Fill Genius, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 2 fully free and 2 freemium alternatives are available, including Formix PDF, Ai Form Filler, and Instafill.
Formix PDF is priced differently (freemium) and sits in the same category (Form Filling). View its detail page to compare features, integrations, and reviews side-by-side.
Top Form Filling alternatives include Formix PDF, Ai Form Filler, FillBot, and Instafill. These tools share the same primary category and have meaningful topic overlap with Fill Genius.
Form Filling
AI-powered form filling automation for any website.
Like Fill Genius, FillBot is in the Form Filling category. FillBot is free-trial, while Fill Genius is paid. Worth comparing on the detail page.
Form Filling
AI-powered PDF form filler for swift, accurate paperwork.
Like Fill Genius, Instafill is in the Form Filling category. Instafill is freemium, while Fill Genius is paid. Worth comparing on the detail page.
Form Filling
AI-powered form autofill for flawless, swift entry.
Like Fill Genius, Autofillr is in the Form Filling category. Autofillr is free, while Fill Genius is paid. Worth comparing on the detail page.
Agents
Efficient doc analysis & org. for business teams.
Echobase - AI for Business shares 1 topic with Fill Genius: Automation. Both are paid.
Short Videos
Fast viral video generation and editing.
Shortmake shares 1 topic with Fill Genius: From $14/mo. Both are paid.
Business Intelligence
Deliver powerful AI for your business needs
DataRobot shares 1 topic with Fill Genius: Automation. Both are paid.
Images
Generated & edited images via APIs & SDKs.
Leap shares 1 topic with Fill Genius: From $14/mo. Both are paid.
Invoice Processing
Automate document processing with AI
Workist shares 1 topic with Fill Genius: Automation. Both are paid.
Summaries
Your AI Copilot for the web.
Summary Box shares 1 topic with Fill Genius: Productivity Tool. Both are paid.
Image Editing
AI-powered bulk image editing for e-commerce
autoRetouch shares 1 topic with Fill Genius: Automation. Both are paid.
Workflow Automation
Connect your tech stack to automate support tasks.
Capacity shares 1 topic with Fill Genius: Automation. Both are paid.
Customer Analysis
Scale clients faster with AI-powered relationship management.
Kaizan shares 1 topic with Fill Genius: Automation. Both are paid.
Task Automation
AI assistant for family management and parenting
Milo shares 1 topic with Fill Genius: Automation. Both are paid.
Videos
Create AI presenter-led videos instantly
Vidboard AI shares 1 topic with Fill Genius: Automation. Both are paid.
Q&a
Supercharge your mind with AI-powered knowledge recall.
PersonalAI shares 1 topic with Fill Genius: Productivity Tool. Both are paid.
Cover Letters
Create catchy cover letters with AI for free
LazyApply shares 1 topic with Fill Genius: Automation. Both are paid.
Meeting Summaries
Effortless meeting notes and secure action item tracking.
Cogram shares 1 topic with Fill Genius: Productivity Tool. Both are paid.
Model Generation
Hire AI employees to scale work without headcount.
InvictaAI shares 1 topic with Fill Genius: Automation. Both are paid.
Sql Queries
Turn English into SQL queries using AI
SQL Genius - SQL AI Generator shares 1 topic with Fill Genius: Automation. Both are paid.
Interior Design
AI-powered interior design reimagined
REimagineHome shares 1 topic with Fill Genius: From $14/mo. Both are paid.
Social Media Management
Automate your social media marketing with AI.
AutoText shares 1 topic with Fill Genius: Automation. Both are paid.
Chatgpt
Harness ChatGPT in Google Workspace and Excel
GPT for work shares 1 topic with Fill Genius: Automation. Both are paid.
36 more paid alternatives listed below. Browse all Fill Genius alternatives ↓
42 paid alternatives to Fill Genius on /tools/fill-genius/alternatives.
GPT4Sales shares 1 topic with Fill Genius: Automation. Both are paid.
Neither Fill Genius nor Formix PDF has user ratings yet — be the first to review either tool to help future visitors compare them.
