Speech-to-Text. Up to 50% cheaper.
Transform speech into text – with Human parity* in 50+ languages. Speaker diarization, word-level timestamps, all formats. Pay-per-use, no subscription trap.
Welcome to today's meeting.
Thank you. Let's discuss Q4 results.
Revenue increased by 23%.
STT in action
See how PaperOffice STT works in practice — in this video.
Trusted by leading companies worldwide
Only official DMS
Up to 50% Cheaper Than Market Leaders
Premium accuracy. Fraction of the cost. No hidden fees.
Basic
Standard transcription
- Full transcription
- 50+ languages
- Auto-detection
- All audio & video formats
- JSON output format
- 5-10x realtime processing
Premium
With timestamps
- Everything from Basic
- Word-level timestamps
- Segment time markers
- SRT/VTT export
- WebVTT subtitle format
- Hotwords / Custom Vocabulary
Ultra
Speaker diarization
- Everything from Premium
- Multi-speaker detection
- Speaker labels
- Meeting-ready output
- RTTM export
- Overlap detection
How It Works
Upload Audio
Any audio or video file
AI Processing
Transcribed in seconds
Get Text
Download or use via API
Free trial included
No credit card required
PaperOffice Voice AI
Our own Speech Recognition Engine
No third-party APIs. No external dependencies. We run our own proprietary STT engine on our own GPU infrastructure in the EU.
GPU-Optimized AI
Hardware-accelerated inference for maximum speed.
Voice Activity Detection
Automatically filters silence and noise for cleaner results.
Auto-Detection
Detects the spoken language automatically – or you specify it.
Batch Processing
Process hours of audio in minutes, not hours.
Precision. Without Compromise.
Features that set PaperOffice Voice STT apart from any other provider.
Speaker Diarization
Automatically detect and label multiple speakers. Know who said what.
Word-Level Timestamps
Precise timing for every single word. Perfect for subtitles and search.
20+ File Formats
MP3, WAV, M4A, MP4, MOV, MKV, WebM, FLAC, OGG, and more.
50+ Languages
From German and English to Japanese, Arabic, and Hindi. Auto-detection included.
Up to 50% Cheaper
Same accuracy, half the cost. Pay-per-use from Basic tier / minute.
EU Data Sovereignty
Own datacenter in the EU. Your audio never leaves Europe. 100% GDPR compliant.
SRT/VTT Export
Generate subtitle files ready for YouTube, Vimeo, and any video platform.
Noise Filtering
Intelligent voice activity detection filters silence and background noise.
All Common Formats
Audio and video – we transcribe everything.
Audio
Video
+34 more languages
Free STT vs. Cloud STT vs. PaperOffice
Free / Built-in STT
- Low accuracy, frequent errors
- No speaker diarization
- No timestamps
- Limited language support
- No GDPR compliance
- Free but unreliable
Premium Cloud STT
- High accuracy
- Speaker diarization (extra cost)
- Timestamps available
- Many languages
- US servers, no GDPR
- Significantly higher market price* / minute
PaperOffice Voice STT
- Human parity* (Proprietary AI)
- Speaker diarization included
- Word-level timestamps
- 50+ languages, auto-detect
- 100% EU datacenter, GDPR
- From Basic tier / minute
Speaker Diarization & Timestamps
Know who said what, and exactly when.
Speaker Diarization
Our AI automatically detects and labels individual speakers in multi-person recordings.
Welcome to today's meeting.
Thank you. Let's discuss Q4 results.
Revenue increased by 23%.
Word-Level Timestamps
Every word gets a precise start and end time. Perfect for subtitle generation and audio search.
For Every Application
Meeting Minutes
Automatic transcription of meetings and conferences with speaker labels.
Podcasts & Interviews
Transcribe audio content for SEO, show notes, and accessibility.
Video Subtitles
Generate SRT/VTT files for YouTube, Vimeo, and any platform.
Dictation & Notes
Turn voice memos into searchable, structured text.
Call Center
Transcribe customer calls for analysis, training, and compliance.
Legal & Compliance
Document court proceedings, depositions, and witness statements.
Medical Dictation
Transcribe doctor notes, patient records, and clinical observations.
Education
Transcribe lectures, seminars, and training sessions for students.
Simple REST API
Integrate Voice STT in minutes. Upload file, get transcript.
/v1/audio/transcriptions curl -X POST https://api.paperoffice.ai/v1/audio/transcriptions \ -H "Authorization: Bearer $API_KEY" \ -F "[email protected]" \ -F "model=po-stt-1" \ -F "language=en" \ -F "response_format=verbose_json"
openai SDK from openai import OpenAI client = OpenAI( base_url="https://api.paperoffice.ai/v1", api_key="YOUR_API_KEY"
) transcript = client.audio.transcriptions.create( model="po-stt-1", file=open("meeting.mp3", "rb"), language="en", response_format="verbose_json"
) print(transcript.text) openai SDK import OpenAI from 'openai';
import fs from 'fs'; const client = new OpenAI({ baseURL: 'https://api.paperoffice.ai/v1', apiKey: 'YOUR_API_KEY'
}); const transcript = await client.audio.transcriptions.create({ model: 'po-stt-1', file: fs.createReadStream('meeting.mp3'), language: 'en', response_format: 'verbose_json'
}); console.log(transcript.text); /v1/audio/transcriptions Transcribe audio to text /v1/audio/translations Transcribe & translate to English /v1/audio/models List available STT models Trust & Security
GDPR Compliant
100% EU datacenter in Navarra, Spain. Your audio never leaves Europe.
99.9% Uptime
Enterprise-grade infrastructure with triple redundancy.
Fast Processing
GPU-accelerated – 1 hour of audio transcribed in under 5 minutes.
End-to-End Encrypted
TLS 1.3 in transit, AES-256 at rest. Audio deleted after processing.
Frequently Asked Questions
How does PaperOffice Voice STT work?
Upload your audio or video file, and our proprietary AI engine transcribes it in seconds. You get the full text with optional timestamps and speaker labels, delivered via API or web interface.
What makes PaperOffice STT 50% cheaper?
We run our own proprietary speech recognition engine on our own GPU infrastructure in the EU. No third-party API costs, no middleman. You pay only for what you use — see the pricing section for current rates.
What's the difference between Basic, Premium, and Ultra?
Basic provides full transcription in 50+ languages. Premium adds word-level timestamps and SRT/VTT export. Ultra includes speaker diarization – automatically detecting and labeling who said what.
Which audio and video formats are supported?
We support MP3, WAV, M4A, OGG, FLAC, AAC, WMA, AIFF, Opus for audio and MP4, MOV, AVI, MKV, WebM, WMV, FLV for video. Essentially every common format.
How accurate is the transcription?
Our engine achieves Human parity* for clear speech in supported languages. Accuracy depends on audio quality, background noise, and language. Our voice activity detection automatically filters silence and noise.
Is PaperOffice STT GDPR compliant?
Absolutely. All processing happens on our own servers in our EU datacenter in Navarra, Spain. Audio files are deleted after processing. We are fully GDPR, GoBD, and SOC 2 compliant.
Can it detect multiple speakers?
Yes, with the Ultra tier. Our speaker diarization automatically detects individual speakers and labels them (Speaker 1, Speaker 2, etc.). Perfect for meetings, interviews, and conference calls.
Is there an API? Is it OpenAI-compatible?
Yes. The API is OpenAI-compatible. Existing integrations can usually be adopted by adjusting the base URL and API key. Postman collection, MCP server and OpenAPI spec included.
How fast is the transcription?
GPU-accelerated processing: 1 hour of audio is transcribed in under 5 minutes. Short files (under 10 minutes) are typically done in seconds.
How does pricing work?
Simple pay-per-use by minutes processed. Your prepaid balance never expires. No subscription required. New accounts receive a free trial. Top up via credit card, SEPA, or bank transfer. All rates are shown in the pricing section and in your local currency.
Customer Success Stories
Discover how businesses transformed their processes with PaperOffice AI.
Kumul Minerals Holdings Limited
Enterprise document management for all our mining operations. World class.
The Challenge Printing Company Inc.
FDA-regulated pharmaceutical labels require seamless documentation. PaperOffice has reduced our approval process from days to hours.
K60-Gitterrostsysteme GmbH & Co. KG
Technical documentation and order processing now run fully automatically.
Ayuntamiento de Carrión de los Condes
Digitization has revolutionized our administration. Citizen inquiries are now processed in minutes instead of days.
Kardiologie Waldstrasse
Patient records, medical reports, and referrals are automatically captured and classified. Our practice team finally has time for their patients.
Okada Manila
8,000 employees and thousands of guest documents every day. PaperOffice has completely digitized our back-office processes.
PT Bank BPD DIY
Loan applications and compliance documents are now processed in minutes instead of hours. The regulatory review is fully automated.
IDC Construcción
Construction project documentation and compliance are now digital and traceable.
The Palms Beach Hotel & Spa
Check-in forms, invoices, and guest communications are fully digital. Our concierge team now focuses on providing excellent service.
Q1 Energie AG
Gas station billing, supplier documents, and compliance records from over 250 stations are automatically processed and archived.
Schreiner MediPharm GmbH & Co. KG
GMP-compliant documentation for pharmaceutical functional labels is now fully automated. Audit trails are seamless and instantly accessible.
Baufritz GmbH & Co. KG
Blueprints, permits, and customer files for our wooden houses are now managed centrally. After six generations, we are finally paperless.
Roastmarket GmbH
Supplier contracts, certificates, and customs papers for hundreds of roasteries worldwide are automatically captured and assigned to the correct product.
Streck Transport GmbH
Temperature logs, CMR waybills, and food certificates are automatically scanned and assigned to the order. Misallocations are a thing of the past.
Nosta Group GmbH
Heavy transport permits, route plans, and project documentation are now instantly accessible digitally. No more searching through folders.
Lagermax Lagerhaus und Speditions AG
Customs documents, warehouse receipts, and shipping orders for our Eastern European network are automatically classified. Four generations of logistics, finally digital.
Marzek Etiketten+Packaging GmbH
Printing specifications, customer approvals, and material certificates are now accessible centrally. The production error rate has dropped to near zero.
Permapack AG
Sustainability certificates, supplier contracts, and customer specifications are processed automatically. Swiss precision, now also digital.
Nordlin Ehitus OÜ
Building permits, subcontractor contracts, and acceptance protocols for our commercial properties are now fully documented digitally.
Uus Maa Kinnisvarabüroo OÜ
Purchase agreements, exposés, and customer files from over 30 years of market leadership are now digitally searchable. Every agent finds everything in seconds.
CF&S Estonia OÜ
Ocean freight documents, customs declarations, and bills of lading are automatically captured. Baltic Sea logistics has never been so efficient.
Packhelp Sp. z o.o.
Thousands of custom packaging orders per week, including design approvals, print data, and delivery documents. PaperOffice keeps it all together.
Sakura Finetek Japan Co., Ltd.
Pathology lab documentation and device certifications are now fully automated. Seamless traceability for every specimen.
Johnan Shinkin Bank
Loan documents, security papers, and customer correspondence are processed in minutes instead of hours. The regulatory review is seamless.
Yamato Kogyo Co., Ltd.
Technical specifications, quality certificates, and recycling protocols for our steel production are central and instantly accessible.
IL Kwang Label Co., Ltd.
Pharma and cosmetic label specifications with regulatory requirements are automatically checked and approved. No more manual checklists.
Endowus Pte. Ltd.
KYC documents, investment reports, and regulatory filings are classified in seconds. As an MAS-regulated robo-advisor, seamless compliance is essential.
Freight Links Express Holdings Ltd.
Safety data sheets, transport permits, and ADR documents for chemical logistics are automatically assigned. Zero tolerance for errors.
Selberan Sdn Bhd
Certificates of authenticity, supplier records, and customer warranties for our pearl collections are automatically archived and instantly accessible.
Kiatnakin Phatra Bank PCL
SME loan applications, security documents, and regulatory reports are automatically classified. Our advisors have more time for customer consulting.
Hatton National Bank PLC
Customer files from over 135 years of banking history are being successively digitized. 5,000 employees now have instant access to all documents.
BRAC Bank PLC
Microcredit applications and compliance documents for millions of customers are now processed in minutes instead of days. A game changer for financial inclusion.
Scommerce JSC (Giao Hàng Nhanh)
Hundreds of thousands of delivery notes and return slips per day are processed automatically. Vietnam's leading e-commerce logistics provider, now paperless.
Gulf Metal Industries LLC
CNC manufacturing protocols, material certificates, and customer specifications for oil, gas, and aerospace projects are now fully documented digitally.
Elm Company
Vision 2030 requires complete digitization. PaperOffice processes government documents for Saudi Arabia's digital backbone.
Bisalloy Steels Pty Ltd
Material certificates, hardening protocols, and customer specifications are automatically assigned to the correct order. Australia's only Q&T manufacturer, now paperless.
Pacific Steel Fabrications Ltd.
Weld seam protocols, structural calculations, and project plans are managed digitally. Our workshop teams have access in real time.
Maple Precision Metalworks Ltd.
Aerospace certificates, CNC programs, and customer tolerances are automatically classified. AS9100 compliance has never been easier.
Clip SA de CV
Merchant contracts, KYC documents, and transaction receipts for hundreds of thousands of SMEs are processed in seconds. Mexico's payment revolution, paperless.
Bodega Catena Zapata
Harvest documentation, export certificates, and quality protocols for our high-altitude Malbecs are automatically archived. 120 years of winemaking tradition, now digital.
Ualá
Millions of user verifications and regulatory documents are processed fully automatically. Scaling without paper.
Yoco Technologies (Pty) Ltd
Merchant onboarding documents and compliance records for Africa's leading payment provider are processed in minutes instead of days.
Faithful to Nature (Pty) Ltd
Organic certificates, supplier audits, and product labels for thousands of natural products are automatically checked and archived.
Flutterwave Inc.
Regulatory documents from 33 African countries, partner contracts, and audit trails are managed fully automatically. An enterprise DMS for a $3 billion fintech.
HealthInLoc Apotheke Lissabon
Prescriptions and medication management now run fully automatically. More time for our patients.
Patriarchat Lissabon
Centuries-old documents are now digitally searchable. A milestone for our historical archives.
Seniorenresidenz am Park
Our caregivers finally have more time for residents instead of paperwork.
Baldwin County Sheriff's Office
500,000+ records digitized. Our deputies now find all information instantly.
Via Creative Leipzig
Patient records management is now a breeze. Everything automatically captured and archived.
El Guijo Hausverwaltung Madrid
Digital property management for all our residential complexes. Tenants and owners are thrilled.
Ritter Verpackungen
With PaperOffice, we have accelerated our invoice processing by 99%. The AI automatically recognizes all relevant data and assigns it correctly.
Herrmann Handwerk
PaperOffice has become indispensable to our daily work. Orders, quotes, and invoices are now automated.
Hartung Pflegedienst
The documentation of our care services is now digital and automated. More time for our patients.
Doratec Maschinenbau
Technical drawings, bills of materials, and quality protocols are instantly searchable. A search that used to take 30 minutes now takes 30 seconds.
Cebras Steuerberatung
Client receipts, tax assessments, and annual financial statements are automatically sorted and assigned to the correct client. Receipt chaos is a thing of the past.
Butterfly IT Consulting
Project documentation, SLAs, and customer communication for our IT consulting projects are automatically classified and archived.
Kumul Minerals Holdings Limited
The Challenge Printing Company Inc.
K60-Gitterrostsysteme GmbH & Co. KG
Ayuntamiento de Carrión de los Condes"Enterprise document management for all our mining operations. World class."
Mining & Resources "FDA-regulated pharmaceutical labels require seamless documentation. PaperOffice has reduced our approval process from days to hours."
Printing & Packaging "Technical documentation and order processing now run fully automatically."
Industry & Manufacturing "Digitization has revolutionized our administration. Citizen inquiries are now processed in minutes instead of days."
Public Administration "Patient records, medical reports, and referrals are automatically captured and classified. Our practice team finally has time for their patients."
Health & Medicine "8,000 employees and thousands of guest documents every day. PaperOffice has completely digitized our back-office processes."
Hospitality & Entertainment "Loan applications and compliance documents are now processed in minutes instead of hours. The regulatory review is fully automated."
Regional Bank "Construction project documentation and compliance are now digital and traceable."
Construction & Real Estate "Check-in forms, invoices, and guest communications are fully digital. Our concierge team now focuses on providing excellent service."
Hospitality & Tourism "Gas station billing, supplier documents, and compliance records from over 250 stations are automatically processed and archived."
Energy & Gas Stations "GMP-compliant documentation for pharmaceutical functional labels is now fully automated. Audit trails are seamless and instantly accessible."
Pharma & Labels "Blueprints, permits, and customer files for our wooden houses are now managed centrally. After six generations, we are finally paperless."
Construction & Timber "Supplier contracts, certificates, and customs papers for hundreds of roasteries worldwide are automatically captured and assigned to the correct product."
E-Commerce & Retail "Temperature logs, CMR waybills, and food certificates are automatically scanned and assigned to the order. Misallocations are a thing of the past."
Logistics & Transport "Heavy transport permits, route plans, and project documentation are now instantly accessible digitally. No more searching through folders."
Logistics & Transport "Customs documents, warehouse receipts, and shipping orders for our Eastern European network are automatically classified. Four generations of logistics, finally digital."
Logistics & Transport "Printing specifications, customer approvals, and material certificates are now accessible centrally. The production error rate has dropped to near zero."
Printing & Packaging "Sustainability certificates, supplier contracts, and customer specifications are processed automatically. Swiss precision, now also digital."
Packaging & Labels "Building permits, subcontractor contracts, and acceptance protocols for our commercial properties are now fully documented digitally."
Construction & Real Estate "Purchase agreements, exposés, and customer files from over 30 years of market leadership are now digitally searchable. Every agent finds everything in seconds."
Real Estate & Management "Ocean freight documents, customs declarations, and bills of lading are automatically captured. Baltic Sea logistics has never been so efficient."
Logistics & Freight "Thousands of custom packaging orders per week, including design approvals, print data, and delivery documents. PaperOffice keeps it all together."
E-Commerce & Packaging "Pathology lab documentation and device certifications are now fully automated. Seamless traceability for every specimen."
Laboratory & Medical Technology "Loan documents, security papers, and customer correspondence are processed in minutes instead of hours. The regulatory review is seamless."
Regional Bank "Technical specifications, quality certificates, and recycling protocols for our steel production are central and instantly accessible."
Steel Construction & Industry "Pharma and cosmetic label specifications with regulatory requirements are automatically checked and approved. No more manual checklists."
Pharma & Labels "KYC documents, investment reports, and regulatory filings are classified in seconds. As an MAS-regulated robo-advisor, seamless compliance is essential."
Fintech & Wealth Management "Safety data sheets, transport permits, and ADR documents for chemical logistics are automatically assigned. Zero tolerance for errors."
Logistics & Transport "Certificates of authenticity, supplier records, and customer warranties for our pearl collections are automatically archived and instantly accessible."
Luxury & Jewelry "SME loan applications, security documents, and regulatory reports are automatically classified. Our advisors have more time for customer consulting."
Commercial Bank "Customer files from over 135 years of banking history are being successively digitized. 5,000 employees now have instant access to all documents."
Private Bank "Microcredit applications and compliance documents for millions of customers are now processed in minutes instead of days. A game changer for financial inclusion."
Development Bank "Hundreds of thousands of delivery notes and return slips per day are processed automatically. Vietnam's leading e-commerce logistics provider, now paperless."
E-Commerce Logistics "CNC manufacturing protocols, material certificates, and customer specifications for oil, gas, and aerospace projects are now fully documented digitally."
Precision Metal & Manufacturing "Vision 2030 requires complete digitization. PaperOffice processes government documents for Saudi Arabia's digital backbone."
GovTech & IT "Material certificates, hardening protocols, and customer specifications are automatically assigned to the correct order. Australia's only Q&T manufacturer, now paperless."
Specialty Steel & Industry "Weld seam protocols, structural calculations, and project plans are managed digitally. Our workshop teams have access in real time."
Steel Construction & Manufacturing "Aerospace certificates, CNC programs, and customer tolerances are automatically classified. AS9100 compliance has never been easier."
Precision Parts & Manufacturing "Merchant contracts, KYC documents, and transaction receipts for hundreds of thousands of SMEs are processed in seconds. Mexico's payment revolution, paperless."
Fintech & Payments "Harvest documentation, export certificates, and quality protocols for our high-altitude Malbecs are automatically archived. 120 years of winemaking tradition, now digital."
Premium Winery "Millions of user verifications and regulatory documents are processed fully automatically. Scaling without paper."
Digital Banking "Merchant onboarding documents and compliance records for Africa's leading payment provider are processed in minutes instead of days."
Fintech & Payments "Organic certificates, supplier audits, and product labels for thousands of natural products are automatically checked and archived."
E-Commerce & Organic "Regulatory documents from 33 African countries, partner contracts, and audit trails are managed fully automatically. An enterprise DMS for a $3 billion fintech."
Fintech & Payments "Prescriptions and medication management now run fully automatically. More time for our patients."
Pharma & Healthcare "Centuries-old documents are now digitally searchable. A milestone for our historical archives."
Religious Institution "Our caregivers finally have more time for residents instead of paperwork."
Care & Health "500,000+ records digitized. Our deputies now find all information instantly."
Government & Administration "Patient records management is now a breeze. Everything automatically captured and archived."
Medicine & Healthcare "Inheritance and estate documentation is now efficient and error-free."
Estate Services "Digital property management for all our residential complexes. Tenants and owners are thrilled."
Real Estate & Management "With PaperOffice, we have accelerated our invoice processing by 99%. The AI automatically recognizes all relevant data and assigns it correctly."
Industry & Packaging "PaperOffice has become indispensable to our daily work. Orders, quotes, and invoices are now automated."
Trades & Crafts "The documentation of our care services is now digital and automated. More time for our patients."
Care & Health "Technical drawings, bills of materials, and quality protocols are instantly searchable. A search that used to take 30 minutes now takes 30 seconds."
Mechanical Engineering & Manufacturing "Client receipts, tax assessments, and annual financial statements are automatically sorted and assigned to the correct client. Receipt chaos is a thing of the past."
Tax Advisory & Legal "Project documentation, SLAs, and customer communication for our IT consulting projects are automatically classified and archived."
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