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Unstract

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4.5
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LLM Whisperer

82 reviews

LLM Whisperer by Unstract extracts text from complex documents and optimizes it for LLMs in a way they can best understand. Make text extraction effortless with a format-agnostic technology and get highly accurate OCR for any document: small or big, simple or complex. Always get precise results and don’t let document complexities hold you back anymore. Key Features and Benefits: - Control extraction modes: Ensure highly efficient, accurate, and cost-effective text extraction with different extraction modes: Native Text, Low Cost, High Quality, or Form. - Auto-compaction: Save big on token usage with Auto-Compaction that intuitively compacts non-value adding tokens - all while ensuring layout preservation. - Image pre-processing: Control API parameters like Median Filter or Gaussian Blur for high quality pre-processing. - Layout-preserving output: Maintain the original document’s layout and ensure maximum context for LLMs. - Form element detection: Make data extraction from complex forms easy with Checkbox and Radio Button identification. - API integration: Seamlessly fit LLM Whisperer into your existing systems with Extraction, Status, Highlight, or even Webhook Management RESTful APIs. Start with 100 pages per day for free with the LLM Whisperer Playground. No credit card required. No strings attached.

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Unstract

32 reviews

Unstract automates unstructured data extraction from diverse documents through LLMs and Agentic AI. Built for organizations that manage high volumes of documents in various formats, Unstract helps accurately transform raw data into meaningful insights with minimal human intervention. Its low-code interface makes it easy to configure extraction rules and execute API, ETL or Task workflows. Key Features: - Prompt Studio: Build custom prompts for LLMs to precisely extract specific data points and test outputs - all within a low-code interface. - LLM Challenge: Say goodbye to hallucinations. Increase trust in your outputs by configuring an additional LLM profile and get a result only if there’s a match. - Single Pass and Summarized Extraction: Experience lesser token usage during prompt testing with Single Pass and Summarized Extraction. - Human-in-the-Loop: Designate and loop in reviewers and approvers into the feedback cycle to minimize errors and reduce operational oversight. - Highlighting: Understand where your output was sourced from with source document highlighting for easy quality control and verification. All in a secure-by-design platform. Unstract is SOC 2 Type II and ISO 27001 certified, and GDPR & HIPPA-compliant. Use Unstract any way you like with 3 powerful editions: a) Unstract Cloud b) Unstract On-Prem c) Unstract Open Source (AGPL 3.0 certified) With Unstract, companies have realized: 95% accurate document extraction 80% lesser human touchpoints 20x boost in operational efficiency Get started now with a FREE 14-day trial.

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Aryaman S.
AS
Aryaman S.
Third year at BITS Pilani, Hyderabad Campus
04/17/2026
Validated Reviewer
Verified Current User
Review source: Organic

Reliable, Accurate PDF Parsing with a Generous Free Tier

The best part about this site is how easily it helps me parse PDFs. I’ve had so many projects where I needed to extract information from PDFs, whether from forms or bills, and I’ve found LLM Whisperer to be the most reliable option for that. On top of that, the free tier of 100 pages a day is more than generous. Its performance is also good, with the extractions being accurate. Using it is also very easy as its just an api plugin.
Verified User in E-Learning
UE
Verified User in E-Learning
04/17/2026
Validated Reviewer
Verified Current User
Review source: Organic

Fast, Accurate PDF OCR That’s Easy to Use. (with 100 free pages per day)

The ease of use and the accuracy with wich the pdf documents are "converted". LLMWhisperer is the only Service i cpuld find that does fast and accurate OCR on PDFs like that
Basant P.
BP
Basant P.
AI/ML engineer at Emvirt Solutions | Embracing Computer Vision, Nvidia DeepStream and Edge Technologies | working on Real-time Solutions for Drone Fleet Control |
04/12/2026
Validated Reviewer
Verified Current User
Review source: Organic

LLM whisper Delivers the Most Structured PDF Extraction Output

The best thing about the llm whisper is that when I give the pdf for extraction it give the most structure output and make sure all the alignment are close to the original source because I already try many libraries for pdf extraction which include image and table in pdf but no one get closer to the LLM whisper

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What is Unstract?

Unstract helps teams turn unstructured documents into structured, usable data. Users can extract data from complex files like invoices, contracts, bank statements, and forms, without the manual annotation or model training that older approaches demand. Unstract offers two solutions: Unstract, a no-code platform for automating document-heavy workflows from end to end, available on the Cloud and Self-Hosted Editions. And, LLMWhisperer, a layout-preserving parser that prepares messy documents for LLM-powered extractions. Together they give developers and enterprises a dependable path from raw documents to clean data, whether through API deployments, ETL pipelines, or full extraction workflows.

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unstract.com