File, document and everyday web utilities
Online form builders and autofill
Tools for creating, hosting, and processing online forms (often AI-generated, with logic, integrations, and submission backends), plus extensions that automatically fill out web and PDF forms for people who complete repetitive forms.
Built for: Small businesses, website owners, form-fillers
Projects since May 04
102
Different builders
96
Last 4 weeks vs 8 before
▲ +35%
AI is the core
20%
Projects per week
Mostly web app (49%), browser extension (32%), api or backend service (9.8%) · from r/SideProject, r/SaaS, r/chrome_extensions, r/vibecoding
Latest
- Sharkeyes — Blocks spam and fake signups on website forms without captchas or third-party tracking.“I built a captcha-free way to stop spam and fake signups on website forms, looking for feedback (and maybe partners)”
- Autofills saved address details into web forms in Chrome.“I made a small open-source Chrome extension to stop retyping my address into forms”
- ffpdf — Fills PDF form fields from JSON or Forms Data Format input via a command-line tool.“I built a lightweight cross-platform CLI that fills PDF forms from JSON and Forms Data Format”
- Generates forms with AI, collects responses, tracks drop-off and friction, analyzes answers, and exports data to other tools.“I stopped building and started selling. Looking for advice.”
- ki-forms — Generates React form components from a JSON field config, with conditional visibility and matching Zod validation.“I got tired of wiring the same React form 40 times, so I made JSON → readable React you actually own”
- formbase — Sends branded customer forms and returns the collected, checked answers to a workflow or AI agent.“Roast my product demo: does the landing page promise match what you get?”
- BranchCheck — Scans a Google Form's branching structure from an exported snapshot and reports unreachable sections, loops, and skipped required sections.“I built BranchCheck to find broken routes in Google Forms”
- Fillaid — Reads a web form once and fills all of its fields from a saved profile in one click, going beyond the fields Chrome autofill handles.“I spent three months building a form filler for the fields Chrome autofill gives up on. Fine-tuned my own model, then a 0.0006USD-per-form decision model beat it.”
- Builds online forms from a plain-English description, routes responses to tools like Notion or Linear, and uses AI to monitor live forms and suggest or make changes.“Cold outreach actually worked for me (after my last product taught me the opposite lesson)”
- Provides three ready-made contact form designs (minimal dark, Bootstrap card, popup modal) that work without a backend via Formspree.“Made a free plug-and-play contact form bundle (3 styles) so I stop rebuilding this every project”
- Generates answers and auto-fills supported Google Forms using a Gemini API key.“I built a Chrome extension that generates and auto-fills Google Forms”
- AnyForm — Fills out web forms automatically by using an AI model to read each form and map saved personal information to its fields.“Built a Chrome extension that autofill web form using AI — would love brutally honest feedback”
- Forms-Engine — Lets teams build multi-step dynamic forms in a visual editor and embed them in an app as a web component, storing responses as JSON in the owner's MongoDB.“I open sourced a form engine you can embed in your saas for complex hierarchical data intake, the kind banks build internally and not being boomerware you have to pay for”
- Blocks automated form abuse and spam with a privacy-focused bot defense widget that avoids image puzzles.“Adding multi-lang to my privacy First & security First reCAPTCHA / hCaptcha alternative. Which locales are actually worth it?”
- Lets several people fill out one shared online form together in a Chrome browser.“We built a Chrome extension that lets a whole team fill one form together”
- Lets users build online forms block by block, with inline layout, color, and spacing customization while editing.“I’m Building a Form Builder That Doesn’t Feel Like a Form Builder”
- ProForma — Fills long repetitive text fields in medical and legal intake forms from saved background text templates.“Built a Chrome/Firefox extension to help fill out long medical/legal intake forms — demo + honest question for people who actually deal with these”
- AI Forms — Replaces static contact and booking forms with an adaptive conversation that skips irrelevant questions and asks follow-ups.“Built an AI form builder because I was tired of seeing 10-field contact forms everywhere”
- Caps how many responses each option in a Google Form can receive by relabeling full options via Apps Script.“My checkout was verified, took payment, and delivered an empty file. Published does not mean the file is attached.”
- minform — Builds online forms and lets users create them by chatting with an AI.“My failure story of how I earned $70k from a failed startup and sold it finally.”
Most discussed
- Formsuite — Lets users build online forms for collecting responses.“Feedback on my SaaS landing page?”
- Formezz — Lets users build online forms, offered as a free SaaS.“People visit my SaaS but don’t create an account. Need honest teardown feedback.”
- fluotest — Builds scored quizzes used as interactive lead capture forms.“The data on quizzes vs static forms is insane and nobody is talking about it”
- Generates hosted forms on request from AI agents through MCP or REST API, without signup or infrastructure setup.“I built an AI Form Builder for Agents. No signup, no need to deploy infra”
- MyFormConnect — Filters spam and bot submissions out of web forms.“Built an anti-spam SaaS… immediately got attacked by bots”
- Codiform — Generates React form code for react-hook-form or Formik with zod or yup validation, from a visual field configuration or pasted JSON schema.“Created a website that generates form code for react-hook-form/formik and zod/yup.”
- Gather — Lets users create simple forms and collect responses without extra complexity.“I built my first micro-SaaS to make creating simple forms less painful — looking for brutal feedback”
- Builds conditional, conversational forms and turns them into custom pages with user roles and restrictions.“SaaS platform without AI. Still relevant?”
- formsout — Generates online forms with AI from a text description.“Launching on product hunt. What should I do before launch?”
- Turns a sentence into a Google Form.“My extension writes Google Forms from a sentence. Describing what it did in 51 languages was the hard part.”