PDF.co Knowledge Base
PDF Compress and Optimize
Email Send and Decode
- How to setup SMTP for email via ZOHO
- How to setup SMTP for email via Yahoo mail
- How to setup SMTP for email via Yandex mail
- How to setup SMTP for email via Verizon
- How to setup SMTP for email via SendGrid
- How to setup SMTP for email via Rediffmail
User Controlled encryption
Fill PDF and Add Text or Images to PDF
- How to add signature to PDF
- How to fill radio buttons and checkboxes?
- How to fill out XFA Forms?
- Can I add text to PDF and send it to my customer
- Error Fieldname must not be empty
- How to mark checkbox X instead of check mark?
Pricing and Subscriptions
Upload Download Files
- Uploaded PDF is downloaded as attachment but ned to be inline to auto-display in pdf viewer in a browser
- How to save output to Files
- How to save output files permanently?
- How long is output link accessible?
- Postman - Please set url to the link to a source file or upload a file and set as a source error message
- PHP uploading files from a form - how to resolve issues (legacy version only)
PDF Translate
PDF to Image
PDF to HTML
PDF Security
PDF Splitter
PDF Search Replace Delete
PDF Merger
PDF Info Reader
PDF Find Table
PDF Fill Forms
OCR
PDF Extractor
- How to extract text with colored background
- PDF to JPG - How to extract image from PDF
- PDF to XLS - extract all pages into a single worksheet
- PDF to JSON - How to extract images
- PDF to CSV - Number of columns don't match in a 2-page table.
- How to find and extract all links in a PDF
PDF Converter
Make Searchable Unsearchable
HTML to PDF
- Does the HTML to PDF API work with externally referenced CSS?
- HTML to PDF returns mobile view PDF output
- HTML to PDF text break between pages
- HTML to PDF how to avoid a picture to break
- HTML to PDF Common Issues
- How to use images in HTML
General
- If you see charges from PDFA.co, PDFB.co, PDFC.co, PDFD.co, PDFE.co, PDFF.co, PDFG.co - these are not us
- Where can I find the PDF.co output in Zapier?
- Do you support working in Docker containers?
- How to use custom fonts?
- What is pdf ? Recommended video courses about PDF
- Charge in your bank statement with a similar name to PDF.co
Errors
- Salesforce Apex Error 442
- Google Docs or Google Drive error with Too Many Requests, Access Denied, or Can't download file
- Getting ECONNREFUSED error
- Timeout service is temporarily unavailable
- Getting 448 webpage not found error
- NoSuchKey The specified key does not exist Error
Barcode Reader
- Not decoding Barcode due to abnormal distances between bars
- How to increase PDF rendering resolution for higher quality results
- How to speed up barcode reading from PDF?
- How to specify scan area to read barcode
- How to read checkboxes and radioboxes from PDF scan or PDF form
- How to Read Barcodes from Negative and Rotated Faxes
Barcode Generator
- How to show QRCode caption?
- How to resize QRCode
- How to set Barcode Height
- How to do insert image or logo inside QR Code barcode
- How to hide barcode caption value
- How to change the redundancy level
Background Jobs
Background Job Check
Add Text and Images to PDF
- How to add checkmark to PDF
- Zapier - Use semicolon as regular character in a text
- How to rename PDF
- PDF Form Filler - Flattening all fields in PDF form after filling out
- PDF Form Filler - How to crop PDF file
- How to add Japanese, Chinese and Korean text in a PDF
Billing
Account Questions
- Rate Limit Error 429 too many requests
- Do credits expire?
- How many credits do I need?
- How to log in using a password instead of a one-time code
- How do I get notified when I'm running out of credits?
- Can I change low-credits alert frequency?
ByteScout Knowledge Base
Screen Capturing SDK
- Video works but no audio
- Send video stream with audio to an RTMP server
- Is Screen Capturing SDK with SOC 2, GDPR, CMMC, CCPA?
- Can't create RGB2YUV Filter Error
- Cannot write file or Cannot access file
- Can this be converted to mp4?
PDF SDK
- Variable not defined VB6 compile error
- Use PDF as background to another PDF
- Sound annotations added by PDF SDK are not viewable
- How to hide side panel when opening document in Adobe Reader?
- How to create multiple buttons and link them to a single file attachment?
- Does PDF SDK support Embarcadero Delphi?
PDF Renderer SDK
Errors
PDF Extractor SDK
- Which DLL is suitable for dotnet 5?
- VBScript assembly error when passing bytes array to LoadDocument
- Unreadable result when loading CSV into datatable
- PDF outputs UTF-8 with BOM
- Is there a schema file for the XML reported from PDF documents?
- Is it possible to detect line breaks in a PDF?
Document Parser SDK
BarCode SDK
BarCode Reader SDK
API Server
Billing
FAQs
- ★ Getting Started with ByteScout
- Why do I see Demo in the output?
- Trial DLL still shows up after uninstall
- Do you have a small package for Microcontroller?
- How can I signup for free trial?
- What are the requirements to setup ByteScout SDK in Windows Server 2019?