PDF Guru vs WhiskFile
PDF Guru is an online PDF editor offering editing, conversion, compression, and AI-powered tools. However, it has no free tier — only a $0.99–$1.99 trial that auto-renews at $49.99/month. WhiskFile offers 7 free tasks per day with no credit card required and Pro at $4.99/month.
- 7 free tasks per day with no credit card required
- Pro at $4.99/month — 90% cheaper than PDF Guru's $49.99/month
- Transparent billing with no surprise auto-renewals on free tier
- 38-endpoint REST API for developers
- 101 tools vs PDF Guru's more limited set
- AI-powered editing features included in subscription
- Clean interface for basic PDF tasks
- OCR included in subscription
- eSign functionality available
- No free tier — trial requires payment
- $49.99/month after trial — 10× more expensive than WhiskFile Pro
- Trial auto-renewal has been criticized in user reviews
Pricing
| Plan | WhiskFile | PDF Guru |
|---|---|---|
| Free tier | Free — 7 tasks/day, 50 MB | No free tier — trial only |
| Trial | N/A — free tier available | $0.99–$1.99 for 7 days |
| Monthly | $4.99/month | $49.99/month (after trial) |
| Yearly | $39.99/year | No annual plan available |
Pricing checked on: September 24, 2026. PDF Guru pricing page
Feature comparison
| Feature | WhiskFile | PDF Guru |
|---|---|---|
| Permanent free tier | ||
| No surprise billing | Trial auto-renews at $49.99/mo | |
| Browser-based (no install) | ||
| PDF compression | ||
| PDF merging | ||
| PDF splitting | ||
| PDF conversion | 20+ formats | Basic formats |
| OCR | ||
| AI PDF features | Pro+ ($4.99/mo) | Included (at $49.99/mo) |
| No watermarks on free tier | ||
| REST API | Pro+ (38 endpoints) | |
| Batch processing | Pro+ | |
| Split by bookmarks | ||
| Bates numbering | ||
| E-Signature | ||
| Form Builder | ||
| Workflow Automation | ||
| Accessibility Tools (checker + fix) | ||
| AI Contract Analysis | Pro+ | |
| Document Workspace (folders, tags, search) | ||
| Total tools | 101 | ~15 |
| File deletion policy | Auto-deleted after 1 hour | Not clearly disclosed |
| Desktop app | ||
| Platform | Any modern browser | Any modern browser |
WhiskFile is best for
- You want to use PDF tools without entering a credit card
- You need affordable Pro pricing ($4.99/month vs $49.99/month)
- You want transparent billing with no surprise charges
- You need a REST API for automation workflows
- You need niche tools like Bates numbering or Split by Bookmarks
PDF Guru is best for
- You specifically prefer PDF Guru's AI editing interface
- Budget is not a concern and you value a single-tool workflow
Which Features Matter?
If you process large PDFs
- Maximum file size limits
- Page count restrictions
- Processing speed
- Batch processing support
If you process scanned documents
- OCR availability and accuracy
- Supported OCR languages
- Searchable PDF output
- Free vs paid OCR access
If privacy matters
- Browser vs server processing
- File retention and deletion
- Encryption standards
- Privacy documentation
Common Workflows Compared
Merge multiple PDFs
Upload → reorder → Merge → download. Free, no credit card.
Upload → Merge → download. Requires subscription ($49.99/month) or trial.
Compress a PDF
Upload → choose compression → download. Free.
Upload → compress → download. Requires paid subscription.
OCR a scanned PDF
Upload → OCR → searchable PDF. Free, 100+ languages.
OCR included in subscription. No free access.
At a Glance
WhiskFile focuses on
- Free tier with no credit card required
- Transparent billing
- 101 tools at $4.99/month
- Developer REST API
PDF Guru focuses on
- AI-powered PDF editing
- All-in-one subscription ($49.99/month)
- Clean interface for basic tasks
- OCR included in subscription
Privacy & Security
| Privacy aspect | WhiskFile | PDF Guru |
|---|---|---|
| Browser processing | Yes — most tools (69 of 101) | Not publicly specified |
| File retention | Auto-deleted after 1 hour | Not publicly specified |
| Encryption | TLS 1.3 in transit, AES-256 at rest | Not publicly specified |
| GDPR | Compliant | Not publicly specified |
OCR (Optical Character Recognition)
| OCR feature | WhiskFile | PDF Guru |
|---|---|---|
| OCR available | true | |
| Free access | Yes — free for all users | false |
| Searchable PDF output | ||
| Batch OCR | Pro+ | false |
OCR included in $49.99/month subscription; no free access
AI-Powered Features
| AI feature | WhiskFile | PDF Guru |
|---|---|---|
| Chat with PDF | Pro+ | Included in subscription |
| Summarization | Pro+ | Included in subscription |
| Question answering | Pro+ | Included in subscription |
| PII auto-redaction | Pro+ | |
| Translation | Pro+ |
AI features included in subscription but at $49.99/month — 10× WhiskFile Pro price
Cloud Integrations
| Integration | WhiskFile | PDF Guru |
|---|---|---|
| Google Drive | On roadmap | |
| Dropbox | On roadmap | |
| OneDrive | On roadmap | |
| URL import | ||
| API access | Pro+ (38 endpoints) |
No cloud integrations or API access documented
Account Requirements
WhiskFile
No — first 3 tasks without account, up to 7/day with free account
PDF Guru
Yes — credit card required for trial; no free tier
Supported File Formats
WhiskFile (20 formats)
PDF Guru (7 formats)
How We Compare PDF Tools
We compare publicly documented features, limits, pricing, supported formats, integrations, account requirements, and privacy information. Competitor information can change, so pricing and limits should be checked against the provider's current documentation. Information marked “Not publicly specified” means we could not verify it from the competitor's official sources at the time of review.
Last reviewed: September 24, 2026
Frequently asked questions
No. PDF Guru has no free tier. It offers a 7-day trial for $0.99–$1.99, which auto-renews at $49.99/month. WhiskFile offers 7 free tasks per day with no payment required.
PDF Guru charges $49.99/month for its subscription. WhiskFile Pro is $4.99/month — 90% less. Both cover core PDF tasks (edit, convert, compress, merge). The price difference is significant for similar functionality.
Multiple user reviews report unexpected charges after the trial period. The $0.99–$1.99 trial auto-renews to $49.99/month. WhiskFile's free tier requires no credit card, and Pro billing is clearly disclosed.
Yes. Cancel your PDF Guru subscription through your payment provider or PDF Guru's account settings. Then visit whiskfile.com — you can start using 7 free tasks per day immediately with no signup.
No. PDF Guru does not offer a REST API for developers. WhiskFile Pro includes a REST API with 38 endpoints for programmatic PDF processing.
No. PDF Guru does not offer batch processing. WhiskFile Pro includes batch processing for merge, compress, convert, and other tools.
PDF Guru's privacy and security policies are not publicly detailed. Browser processing, file retention, and encryption information are not clearly documented. WhiskFile auto-deletes files after 1 hour with TLS 1.3 encryption.
No. PDF Guru does not document any cloud storage integrations (Google Drive, Dropbox, OneDrive). Files must be uploaded manually. WhiskFile supports URL import and has cloud integrations on the roadmap.
Conclusion
PDF Guru offers AI-powered PDF editing, but at $49.99/month after trial it is significantly more expensive than WhiskFile Pro ($4.99/month) for similar core functionality. WhiskFile also provides a permanent free tier, transparent billing, and a developer API that PDF Guru lacks. PDF Guru may appeal to users who prefer its specific AI editing interface.
Sources
- Website checked 2026-09-24
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