Best File Upload Forms for Client Intake (2026)

Jotform is the most battle-tested choice for client intake with file uploads, and it shows in the details that matter. The dedicated File Upload field accepts up to 1 GB per file on paid plans, supports drag-and-drop, and works flawlessly on mobile — critical when clients are photographing receipts or signing from a phone. You can restrict file types (PDFs only for contracts, images only for brand assets), set multi-file limits, and pair the upload with e-signature widgets so a client signs a retainer and uploads supporting documents in one submission.

Where Jotform pulls ahead for intake specifically is its HIPAA plan (Gold tier), which makes it a legitimate option for therapists, medical practices, and healthcare consultants who need compliant file collection. The 10,000+ templates include pre-built intake forms for nearly every service industry — law, accounting, coaching, photography, real estate — so you're not starting from zero. Conditional logic routes clients to different sections based on answers, which prevents the "wall of fields" that kills intake completion rates.

Automation is where it earns the top slot: uploaded files route automatically to Dropbox, Google Drive, OneDrive, Box, or S3; submissions trigger workflows in 150+ CRMs; and the Tables view gives you a client dashboard without spinning up Airtable. For agencies and service firms handling 10+ new clients a month, Jotform pays for itself inside a week of not chasing files over email.

If your business lives on WordPress, Gravity Forms is almost always the right answer for client intake. The form renders inside your own site under your own domain, inherits your brand styling, and — unlike SaaS builders — the file upload limit is set by your web host, not a per-plan cap. That means a $20/month VPS can happily accept 500 MB video files without a storage-tier upsell.

The file upload field supports multi-file uploads, drag-and-drop, type/size restrictions per field, and can be marked required with conditional logic — so a "yes I have a logo" radio choice reveals the upload field only when relevant. Paired with the official Dropbox, Google Drive, or Zapier add-ons, uploaded files can be renamed with merge tags (client name + date) and routed to a dedicated client folder automatically. The Advanced Post Creation add-on even lets clients upload files that become a draft post or custom post type in WordPress, which is powerful for content agencies running editorial intake.

The ecosystem is the real moat: GravityKit, GravityView, GP Populate Anything, and dozens of third-party add-ons turn Gravity Forms into a near-limitless intake and workflow engine. For WordPress agencies, freelancers billing through WooCommerce, or anyone who wants the form to feel like part of the site (not an iframe from a third party), there's nothing better.

Formstack is the pick when intake isn't just collecting files — it's kicking off a regulated, auditable workflow. Originally built for enterprise healthcare, legal, and financial services, Formstack pairs its form builder with Formstack Documents (document generation) and Formstack Sign (e-signature) to handle the full intake-to-onboarded lifecycle. A new client can fill out an intake form with file uploads, auto-generate a personalized contract populated from their answers, sign it inline, and have every artifact land in Salesforce or a Drive folder — all without your team touching it.

For file uploads specifically, Formstack offers configurable size limits, type restrictions, and — critically — HIPAA-compliant storage on Platform and Enterprise plans. Data encryption at rest and in transit, audit logs, and SSO make it defensible for compliance-heavy intake. Conditional logic, field encryption, and save-and-resume support are all native, so long multi-step intakes (divorce filings, loan applications, patient onboarding) don't lose clients halfway through.

The trade-off is price and polish. Formstack is built for teams and priced like it — entry plans start well above Jotform and Tally. The UI is functional rather than delightful. But for a law firm, dental practice, or financial advisor, the ROI math is simple: one avoided compliance incident pays for years of subscription.

Fillout is the modern-feeling form builder that looks like what Typeform would be if it took file uploads seriously. It supports traditional, single-page, and slide-by-slide (Typeform-style) layouts, so a creative agency can run a conversational brand intake with file uploads at each step, while an accountant can run a dense single-page document-collection form — both with the same tool.

For client intake, Fillout's standout features are its generous free plan (unlimited forms, 1,000 submissions/mo, file uploads included), its native Notion, Airtable, Google Sheets, and HubSpot integrations, and a block-based builder that makes conditional logic and calculated fields approachable for non-technical users. File upload fields support type restrictions, multi-file uploads, and preview thumbnails, and files flow straight into your connected database alongside the rest of the submission — which is a game-changer if your operations live in Airtable or Notion.

Where Fillout shines most is for small teams and solo operators who've outgrown Google Forms but don't want Jotform's sprawl or Formstack's price tag. The UX is clean, the URL structure is shareable, the forms look great on mobile out of the box, and the pricing is honest. It's the best "new default" for creative freelancers and bootstrapped agencies.

Typeform's superpower has always been completion rate, and that matters more for client intake than most people realize. A conversational, one-question-at-a-time flow turns a 20-field onboarding form — name, company, brief, budget, timeline, upload logo, upload brand guidelines, upload reference images — from a wall of fields into a guided conversation. Clients finish them. With a static form, 30–40% bail halfway through. With Typeform, completion rates routinely land above 60%.

For file uploads specifically, Typeform supports a File Upload question type with configurable size limits (up to 10 MB on lower plans, higher on Business+). You can restrict file types, mark uploads required, and pair them with Logic Jumps so the upload only appears if the client said they had the file ready. Submissions sync to Google Drive, Dropbox, Slack, Notion, Airtable, or 120+ other destinations, keeping the file collection feeling light while your backend stays organized.

The trade-off is cost and scale for file-heavy intake. Typeform's pricing scales by response volume, and its file upload caps are lower than Jotform or Gravity Forms. If intake involves occasional files alongside a lot of qualitative questions (creative brief, discovery call prep, coaching onboarding), it's perfect. If intake is primarily about collecting large or many documents, pick one of the higher-ranked tools.

Tally earned a passionate following by doing something no other form builder would: offering genuinely unlimited forms, submissions, and file uploads on a completely free plan. For freelancers and early-stage agencies who need real client intake today without a subscription, Tally is hard to beat. The builder feels like Notion — blocks, slash commands, keyboard-first — which makes complex multi-step intakes with conditional logic surprisingly fast to assemble.

File upload fields on Tally accept multiple files per field, with per-file size caps of 10 MB on free and higher on Pro ($29/mo). You can restrict file types, mark uploads required, and combine them with logic-driven steps. Integrations include Google Drive, Dropbox, Notion, Airtable, Slack, and Zapier — enough to route intake files wherever your operations live.

The Pro upgrade unlocks branding removal, custom domains, partial submissions, answer piping, and higher upload caps. For a solo operator running a tight stack, $29/month buys a near-complete intake system. The honest limitations: no HIPAA, smaller ecosystem than Jotform, and the builder's minimalism can feel underpowered if you need complex scoring logic or payment collection alongside files. But for straight client intake with files at startup prices, Tally is the best-value option on this list.

Google Forms earns its spot because of sheer ubiquity: it's free, it's already in every Google Workspace account, and the File Upload question type drops submitted files straight into a dedicated folder on your Drive with zero extra configuration. For internal intake, simple creative requests, or any situation where you and the client are both already in the Google ecosystem, it's unbeatable on speed-to-live.

File uploads support individual files up to 10 GB (the largest cap on this list), multi-file uploads, type restrictions, and size limits. Responses feed into a Google Sheet automatically, and free integrations via Apps Script or Zapier handle downstream routing. For a consultant collecting tax documents from a handful of clients, or an HR team collecting onboarding files from new hires inside the same org, Google Forms does the job in 10 minutes.

The hard limitations, though, are real and make it a last resort for external client intake. Uploaders must be signed into a Google account — a dealbreaker if you work with clients on Outlook, iCloud, or proprietary email. The form looks like a Google Form, which signals "free tool" rather than "professional onboarding." There's no HIPAA without the right Workspace tier plus manual BAA. And conditional logic is primitive compared to any dedicated form builder. Use it for internal or throwaway intake; pick something else when the form represents your brand.