Shortlist by what you need
Start here if you know why you are leaving PDFFly.
Want the closest match?
DocuGenieMost similar to PDFFly in what it does, its category and its price.
Visit (opens DocuGenie in a new tab)Need a free plan?
PDFGPTHas a free plan, rated 3.8 out of 5.
Visit (opens PDFGPT in a new tab)Want the lowest price?
GPT WorkspaceFrom $9/mo, the lowest starting price here.
Visit (opens GPT Workspace in a new tab)Want the best rated?
pdf.netRated 3.8 out of 5 in our review, against 3.5 for PDFFly.
Visit (opens pdf.net in a new tab)
At a glance
Green means better than PDFFly, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 PDFFlyBaseline | 3.5 | Free | Yes | Free PDF summarisation and chat with no sign-up required. | |
| DocuGenie | 3.8+0.3 | Free | Yes | Ten document tools, free, no signup, and nothing stored. | vs PDFFly |
 PDF Editor | 3.5Same | Free | Yes | Free browser-based PDF editing: text, images, annotation and signing. | vs PDFFly |
| PDFGPT | 3.8+0.3 | Free | Yes | Free AI tool that turns PDFs into a chat interface for summaries, translation, and Q&A. | vs PDFFly |
| pdf.net | 3.8+0.3 | Free | Yes | Browser-based PDF editor covering signing, annotation, merging, conversion, and AI tools | vs PDFFly |
 Resoomer | 3.8+0.3 | Free | Yes | Free summariser, paraphraser and translator with no account and no character limit. | vs PDFFly |
| GPT Workspace | 3.6+0.1 | $9/mo | Yes | Third-party AI agent that brings ChatGPT, Claude, Gemini and Grok into Gmail, Docs, Sheets, Slides and Drive, from $9 a month. | vs PDFFly |
 PDNob | 3.8+0.3 | $65/mo | Yes | A CMMI Level 5-certified company's PDF editor, reached through its own SEO doorway domain. | vs PDFFly |
 AI PDF Summarizer by PDF Guru | 3.8+0.3 | $24.95/mo | No | PDF Guru's AI summarizer extracts key points from long documents and answers follow-up questions in chat. | vs PDFFly |
The alternatives in detail
In order of how closely each one matches PDFFly.
DocuGenie
3.8Free
vs PDFFly+0.3
Ten document tools, free, no signup, and nothing stored.
- Handwriting OCR and image-to-text extraction
- Invoice, receipt, resume and bank statement parsing
- PDF to Excel and 100+ language translation
No signup for exactly the documents you would not want to register to process
The 99.6% accuracy figure has no stated test set
PDF Editor
3.5Free
vs PDFFlySame
Free browser-based PDF editing: text, images, annotation and signing.
- Add and edit text within existing PDFs
- Insert images and adjust formatting
- Highlighting and annotation tools
Covers the occasional PDF need without an annual subscription
Confidential documents warrant care before uploading
PDFGPT
3.8Free
vs PDFFly+0.3
Free AI tool that turns PDFs into a chat interface for summaries, translation, and Q&A.
- Chat interface for asking questions about uploaded PDFs
- AI summarization and translation of PDF content
- Page management tools to merge, split, reorder, and rotate pages
Free to use with no sign-up required for core features
No paid tier means no clear roadmap for higher usage limits or support
pdf.net
3.8Free
vs PDFFly+0.3
Browser-based PDF editor covering signing, annotation, merging, conversion, and AI tools.
- Edit text directly inside an existing PDF
- Merge, split, and rearrange pages
- Electronic signing and annotation
No installation needed for occasional PDF work
Documents are uploaded to a third-party service, which suits confidential files poorly
Resoomer
3.8Free
vs PDFFly+0.3
Free summariser, paraphraser and translator with no account and no character limit.
- Summarising with no character limit
- Paraphraser, synonymiser and rewriter
- Translation across 66 languages
No account required and no character limit
No company detail or stated business model
GPT Workspace
3.6$9/mo
vs PDFFly+0.1
Third-party AI agent that brings ChatGPT, Claude, Gemini and Grok into Gmail, Docs, Sheets, Slides and Drive, from $9 a month.
- An AI agent built into Gmail, Docs, Sheets, Slides and Drive
- Access to GPT, Claude, Gemini and Grok models in one subscription
- Formula writing and data analysis inside Google Sheets
Multiple model providers available from one subscription
Not affiliated with Google despite the close branding, which the FAQ has to clarify
PDNob
3.8$65/mo
vs PDFFly+0.3
A CMMI Level 5-certified company's PDF editor, reached through its own SEO doorway domain.
- Full PDF editing, conversion and annotation toolkit
- AI-assisted summarisation and translation
- OCR for scanned documents
Built by an established company with real, checkable certifications
Reached via an SEO doorway domain (tenorshare.ai) rather than its own name
AI PDF Summarizer by PDF Guru
3.8$24.95/mo
vs PDFFly+0.3
PDF Guru's AI summarizer extracts key points from long documents and answers follow-up questions in chat.
- Drag-and-drop PDF upload up to 100MB
- AI-generated key-point extraction and summaries
- Follow-up chat for questions about the document
Bundled with a full PDF toolkit, not only summarization
No permanent free plan, only a paid trial
FAQ
Questions people ask
Is PDFFly free?
PDFFly has a free plan.
What is the best free alternative to PDFFly?
DocuGenie is the highest-rated alternative here with a free plan (3.8 out of 5). Other free options: PDFGPT, pdf.net, Resoomer.
What is the cheapest alternative to PDFFly?
Among paid plans, GPT Workspace has the lowest starting price (from $9/mo). If you need it free, start with DocuGenie.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.