Best Free Instafill Alternatives
18 alternatives to Instafill with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: Instafill — No free tier existsInput: documents · Output: documents
1
Quizify churns out forms that actually respond to what people type
Input: text · Output: data, apps
Free plan
79%Strong alternative · same core category as Instafill
00
How the score adds up
- Same core category55/55
- Covers Instafill's goals16/25
- Feature description similarity8/20
Shared goals 1 of the 2 we tag Instafill for
Forms
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
Describe your survey, AI builds it in seconds
Input: text · Output: data, apps
Free planFrom $19/mo
73%Partial replacement — covers the main need with gaps · same core category as Instafill
00
How the score adds up
- Same core category55/55
- Covers Instafill's goals16/25
- Feature description similarity3/20
Shared goals 1 of the 2 we tag Instafill for
Forms
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
We're the team that built UserTesting (IPO in 2021), and now we're back with TheySaid to topple the survey + forms category with AI. We're not your grandpa's survey tool, not even close.
With TheySai
Input: text, audio · Output: text, data
Free planFrom $49/mo
73%Partial replacement — covers the main need with gaps · same core category as Instafill
00
How the score adds up
- Same core category55/55
- Covers Instafill's goals16/25
- Feature description similarity2/20
Shared goals 1 of the 2 we tag Instafill for
Forms
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
Typeform AI is the AI assistant built into Typeform.
Input: text, documents · Output: data, apps
Free planFrom $28/moAPITeams
73%Partial replacement — covers the main need with gaps · same core category as Instafill
00
How the score adds up
- Same core category55/55
- Covers Instafill's goals16/25
- Feature description similarity3/20
Shared goals 1 of the 2 we tag Instafill for
Forms
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Parliant.AI replaces static feedback forms with surveys conducted as conversations.
Input: text, audio · Output: data, apps
Free planFrom $49/mo
73%Partial replacement — covers the main need with gaps · same core category as Instafill
00
How the score adds up
- Same core category55/55
- Covers Instafill's goals16/25
- Feature description similarity3/20
Shared goals 1 of the 2 we tag Instafill for
Forms
Also tagged for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize and extract insights from uploaded PDF, Word, Excel, and PPT documents. With multi-platform availability and s
Input: documents, web pages · Output: text
Free planFrom $1.33/mo
45%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity5/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
SummarizingDocument Extraction
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
Outrank provides advanced PDF interaction capabilities that go beyond basic document viewing
Input: text, documents · Output: text, apps
Free planFrom $99/mo
45%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity5/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
PDFs that work the way you need them to
Input: text, documents · Output: text, documents
Free planFrom $9.99/mo
44%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity4/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
Document Extraction
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
Input: text, images, documents · Output: text
Free plan
46%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity6/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
44%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity4/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
WordPress site owners wanting AI across their entire site will find this plugin handles the work
Input: text, data, web pages · Output: text, images, apps
Free planFrom $9.99/mo
43%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity3/20
Shared goals 1 of the 2 we tag Instafill for
Forms
Also tagged for
SEO WritingImage GenerationWorkflow AutomationChatbots
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
Collate is a free, offline PDF assistant designed for everyday learners, students, and professionals who want to take control of their PDFs. With Collate, you can:
• Summarize PDFs: Turn lengthy doc
Input: documents · Output: text
Free planFrom $9.99/mo
43%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity4/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
ChatPDF is a document question-answering app: upload a PDF, ask questions in plain language, and get answers with built-in citations that point back to the source passage.
Input: text, documents, web pages · Output: text
Free planMobile app
45%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity5/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
SummarizingHomework HelpResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
Humata is an AI document assistant that reads your files and answers questions about them.
Input: text, documents · Output: text
Free planFrom $9.99/moAPITeams
44%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity5/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
File Management
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
Input: text, documents · Output: text
Free planFrom $6/mo
44%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity4/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
SummarizingDocument Extraction
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
PDF.ai lets you chat with any PDF: ask questions, get summaries and find answers inside the document.
Input: text, documents · Output: text, data
Free planFrom $49/moAPI
44%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity4/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
SummarizingDocument Extraction
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
A contract lawyer downloads a 200-page merger agreement at 4pm with a client call at 9am
Input: text, documents · Output: text
Free planFrom $2.99/mo
42%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity3/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
iLovePDF AI Summarizer reads a PDF and returns a condensed version of its content.
Input: documents · Output: text
Free planFrom $5/mo
42%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers Instafill's goals10/25
- Feature description similarity2/20
Shared goals 1 of the 2 we tag Instafill for
PDF Work
Also tagged for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace Instafill? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
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At a glance: top Instafill alternatives
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| Quizify AI Form Builder | 79% | text | data, apps | Free | Yes | — | AI Forms |
| empirio.ai | 73% | text | data, apps | From $19/mo | Yes | — | AI Forms |
| TheySaid | 73% | text, audio | text, data | From $49/mo | Yes | — | AI Forms |
| Typeform AI | 73% | text, documents | data, apps | From $28/mo | Yes | — | AI Forms |
| Parliant.AI | 73% | text, audio | data, apps | From $49/mo | Yes | — | AI Forms |
| LightPDF | 45% | documents, web pages | text | From $1.33/mo | Yes | — | AI PDF |
Frequently asked
What is the best free Instafill alternative?
Quizify AI Form Builder (79% match) is the closest free alternative to Instafill. empirio.ai (73% match) and TheySaid (73% match) come next.
What is the best Instafill alternative for working with PDFs?
LightPDF ranks first for working with PDFs at 79% match. See the full list of Instafill alternatives for PDF Work.
What is the best Instafill alternative for building forms?
Quizify AI Form Builder ranks first for building forms at 84% match. See the full list of Instafill alternatives for Forms.
How is the match percentage calculated?
It measures how much of Instafill's job a tool can take over: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.
How this list is ranked
The match score measures how much of Instafill's job each tool can take over: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.
Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.