Best Free LightPDF Alternatives
27 alternatives to LightPDF with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: LightPDF — LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize Input: documents, web pages · Output: text
1
iLovePDF AI Summarizer reads a PDF and returns a condensed version of its content.
Reads a PDF and hands back a condensed version; connects to Google Drive and Dropbox
Input: documents · Output: text
Free planFrom $5/mo
86%Strong alternative · same core category as LightPDF
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
PDFs that work the way you need them to
Full PDF editor with AI built in, for people who also mark up and convert files
Input: text, documents · Output: text, documents
Free planFrom $9.99/mo
85%Strong alternative · same core category as LightPDF
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkDocument Extraction
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
Chat-with-PDF tool for talking to an uploaded document; trial available
Input: text, documents · Output: text
Free planFrom $6/mo
84%Strong alternative · same core category as LightPDF
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 3 of the 3 we tag LightPDF for
PDF WorkDocument ExtractionSummarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
A contract lawyer downloads a 200-page merger agreement at 4pm with a client call at 9am
Pitched at busy professionals like lawyers who must digest long contracts fast
Input: text, documents · Output: text
Free planFrom $2.99/mo
64%Partial replacement — covers the main need with gaps · same core category as LightPDF
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 3 we tag LightPDF for
PDF Work
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Upload a PDF and get a summary in seconds
Upload a PDF and get a quick summary; entirely free
Input: documents · Output: text
Free plan
62%Partial replacement — covers the main need with gaps · same core category as LightPDF
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
Gives one-minute summaries, bullet points and answers on uploaded PDF contracts
Input: text, images, documents · Output: text
Free plan
60%Partial replacement — covers the main need with gaps · same core category as LightPDF
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
Signal87 AI turns document chaos into organized intelligence
Organizes document chaos into structured intelligence, also for legal and PDFs; free
Input: text, documents · Output: text
Free plan
60%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 3 we tag LightPDF for
PDF Work
Also tagged for
File ManagementLegal Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
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
59%Limited overlap · same core category as LightPDF
00
How the score adds up
- Same core category55/55
- Covers LightPDF's goals25/25
- Feature description similarity13/20
Capped below the editor-ranked picks above it.
Shared goals 3 of the 3 we tag LightPDF for
PDF WorkDocument ExtractionSummarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
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
59%Limited overlap · same core category as LightPDF
00
How the score adds up
- Same core category55/55
- Covers LightPDF's goals18/25
- Feature description similarity11/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Homework HelpResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
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
59%Limited overlap · same core category as LightPDF
00
How the score adds up
- Same core category55/55
- Covers LightPDF's goals11/25
- Feature description similarity13/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag LightPDF 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.
11
Search that gives answers instead of links
Input: text, images, documents, code · Output: text, code
Free planFrom $20/mo
53%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity9/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
SearchHomework HelpInvestingData AnalyticsResearch PapersResearchChatbotsNewsShopping
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
Your AI assistant for everything
Input: text, images, audio, documents, code · Output: text, images, audio, code
Free planFrom $8/mo
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Essay WritingGrammar CheckingRewritingWritingImage GenerationImage to ImageVideo GenerationVoice AssistantsCodingAI AgentsPresentationsSearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
This conversational AI platform runs on the K2
Input: text, images, documents, code · Output: text, documents, code, slides
Free planMobile app
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
WritingCodingWebsite BuildingLanguage ModelsOpen Source ModelsAI AgentsPresentationsSpreadsheetsHomework HelpTranslationData AnalyticsResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
AI in browser sidebar always ready
Input: text, images, documents, code, web pages · Output: text, images, video, code
Free planFrom $8.3/mo
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Grammar CheckingRewritingWritingImage GenerationVideo GenerationVideo SummariesCodingMind MappingEmail WritingSearchTranslationData Analytics
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
AI assistant in your browser
Input: text, documents, code, web pages · Output: text, images, code
Free planFrom $29/mo
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Content RepurposingWritingImage GenerationVideo SummariesCodingMind MappingDiagramsHomework HelpTranslationInfographicsSocial Media PostsResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
Adobe's generative AI capabilities transform how people interact with PDF documents through conversational commands and automated analysis
Free planFrom $19.99/moMobile appTeams
50%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity6/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
RewritingDocument CreationPresentationsInfographicsContract DraftingContract Review
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
Most AI tools can't grab your Word doc and turn it into slides instantly
Input: text, images, documents · Output: text, documents, slides
Free planFrom $19.99/mo
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Mind MappingPresentations
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
Mapify is an AI mind map generator and summarizer that converts PDFs and documents, YouTube videos, webpages, long text, audio recordings and images into structured mind maps.
Input: text, images, audio, documents, web pages · Output: images, slides
Free planFrom $5.99/moMobile appBrowser extension
52%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Video SummariesMind Mapping
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
Google's most capable AI model
Input: text, images, audio, documents, code · Output: text, images, audio, video, code
Free planFrom $4.99/mo
48%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
WritingImage GenerationImage to ImageVideo GenerationVideo SummariesVoice AssistantsCodingLanguage ModelsAI AgentsPresentationsSearchSpreadsheets
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
Hours vanish into summarizing content
Input: text, audio, video, documents, web pages · Output: text, images, documents, data, slides
Free planFrom $9/mo
48%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Video SummariesPodcastingText to SpeechTranscriptionMind MappingAI AgentsDocument CreationNote TakingPresentationsSpreadsheetsFlashcardsResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
48%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals7/25
- Feature description similarity11/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag LightPDF for
Document Extraction
Also tagged for
Software DevelopmentAI Agents
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
22
Brave Leo is the AI assistant built into the Brave browser.
Input: text, documents, code, web pages · Output: text, code
Free planFrom $59.99/moAPIMobile app
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Web BrowsingChatbots
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
23
SciSummary is an AI reading aid for scientific articles and research papers.
Input: documents · Output: text
Free planFrom $4/mo
51%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Research Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
24
Storytell turns hours of webpage reading into seconds
Input: text, documents, web pages · Output: text
Free plan
47%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals7/25
- Feature description similarity10/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag LightPDF for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
25
You're bouncing between creative work and technical tasks
Input: text, images, video, documents, code · Output: text, images, video, code
Free planFrom $9.99/moAPI
47%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals14/25
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag LightPDF for
PDF WorkSummarizing
Also tagged for
Image GenerationImage to ImageVideo GenerationAPI IntegrationCodingWebsite BuildingLanguage ModelsOpen Source ModelsHomework HelpMathTranslationResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
26
Translating PDF files often destroys the original formatting, turning carefully structured documents into messy text blocks
Input: documents · Output: documents
Free plan
47%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals7/25
- Feature description similarity10/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag LightPDF for
PDF Work
Also tagged for
Translation
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
27
Your docs, deeply understood
Input: text, audio, documents, web pages · Output: text, audio, video
Free planFrom $4.99/mo
46%Limited overlap
00
How the score adds up
- One lists the other's core category30/55
- Covers LightPDF's goals7/25
- Feature description similarity9/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag LightPDF for
PDF Work
Also tagged for
Video SummariesPodcastingFile ManagementResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace LightPDF? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
Missing an alternative? Suggest it
At a glance: top LightPDF alternatives
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| iLovePDF AI Summarizer | 86% | documents | text | From $5/mo | Yes | — | AI PDF |
| UPDF | 85% | text, documents | text, documents | From $9.99/mo | Yes | — | AI PDF |
| Smallpdf AI PDF | 84% | text, documents | text | From $6/mo | Yes | — | AI PDF |
| PDFConvo | 64% | text, documents | text | From $2.99/mo | Yes | — | AI PDF |
| AI PDF Reader | 62% | documents | text | Free | Yes | — | AI PDF |
| ReadDocs | 60% | text, images, documents | text | Freemium | Yes | — | AI PDF |
Frequently asked
What is the best free LightPDF alternative?
iLovePDF AI Summarizer (86% match) is the closest free alternative to LightPDF: iLovePDF AI Summarizer reads a PDF and returns a condensed version of its content. UPDF (85% match) and Smallpdf AI PDF (84% match) come next.
What is the best LightPDF alternative for extracting data from documents?
Nanonets ranks first for extracting data from documents at 78% match. See the full list of LightPDF alternatives for Document Extraction.
What is the best LightPDF alternative for summarizing text?
ChatPDF ranks first for summarizing text at 72% match. See the full list of LightPDF alternatives for Summarizing.
How is the match percentage calculated?
It measures how much of LightPDF'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 LightPDF'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.