Prompt
Do I need an OCR API if I already have PDFs?
Latest observation
Not always.
If your PDFs are text-based (you can select/copy the text), you usually do not need OCR. You can extract the text directly from the PDF.
You do need OCR if the PDF is really just images, for example:
- scanned documents
- faxed pages
- photo-based PDFs
- PDFs where text selection doesn’t work
Quick way to tell
Open a PDF and try to:
- highlight text
- copy/paste it into a text editor
If that works cleanly, OCR is probably unnecessary.
When OCR is still useful even for PDFs
You might still use OCR if you need:
- better extraction from messy scans
- reading text in tables/forms
- handling mixed PDFs with both text and images
- extracting text from embedded screenshots inside a PDF
Rule of thumb
- Text PDF → use PDF text extraction
- Image/scanned PDF → use OCR
If you want, I can also help you figure out how to detect whether your PDFs need OCR automatically.
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
How can brands improve their AEO?
Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as dotdotPR. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.
Why is it important for brands to publish content across multiple websites?
Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.
Want this interpreted for your brand?
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