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We'd Love to Hear From You

We welcome all questions, feedback, bug reports, partnerships, and feature requests. Our dedicated support and engineering teams are committed to responding quickly because we truly value every message you send.

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Business Inquiries
Technical Assistance
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Usually Replies Within 24 Hours

Find Answers Faster

Before sending a message, you might find your answer in one of our comprehensive resources:

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Direct Contact Options

General Information

General Support
For account inquiries, billing questions, or general help using OncePDF tools.
legal@oncepdf.com
Reply usually within 24 hours
Technical Support
Having trouble processing a file? Reach out to our technical specialists directly.
legal@oncepdf.com
Reply usually within 12 hours
Business Partnerships
Looking to partner, integrate, or discuss B2B solutions with OncePDF?
legal@oncepdf.com
Reply within 1-2 business days
Media & Press
For press kits, interviews, and media inquiries regarding Lumewise Technology.
legal@oncepdf.com
Priority response for journalists
Feature Requests
Have a brilliant idea for a new PDF tool? We are always expanding our suite.
legal@oncepdf.com
Reviewed weekly by Product
Bug Reports
Found a glitch? Let us know so our engineering team can squash it immediately.
legal@oncepdf.com
Urgent priority routing

Send Us a Message

What Happens After You Contact Us?

  • We review every message

    Unlike automated portals, every submission is read by a real team member.

  • We respond as quickly as possible

    Most general support inquiries receive a tailored response within 24 hours.

  • Technical issues are prioritized

    If you've hit a bug or a processing error, it gets fast-tracked to our engineers.

  • Feature requests are forwarded

    Your ideas go straight to our product team for the next roadmap planning session.

  • Business inquiries are routed appropriately

    Partnership and sales emails are handled directly by our executive staff.

Business Information

  • Company Name

    Lumewise Technology Private Limited

  • Business Email

    legal@oncepdf.com

  • Website

    www.oncepdf.com

  • Country of Operation

    India

Office Location

  • Headquarters

    1st Floor, 62, Sengunthapuram Main Rd,
    Karur, Tamil Nadu 639002, India.

  • Working Hours

    Monday - Friday
    9:00 AM - 6:00 PM (IST)

  • Time Zone

    Indian Standard Time (GMT+5:30)

Connect With Us

Found a Security Issue?

We take data security extremely seriously. If you have discovered a vulnerability, please contact our security team responsibly.

Report Security Issue

Help Us Improve

Your suggestions directly influence our future product improvements. We rely on your fresh perspectives to build better, faster, and safer PDF utilities. Please don't hesitate to send feature requests and general feedback!

Submit Feedback

Frequently Asked Questions

How quickly will I receive a reply?

For standard inquiries, our team generally responds within 24 hours on business days. Technical issues and urgent bug reports are expedited.

Can I report a bug?

Absolutely. Select "Bug Report" as the category in the contact form above, and describe the issue alongside the browser you are using.

How do I request a new feature?

We love hearing your ideas! Select "Feature Request" in the form. Our product team reviews all suggestions during our weekly roadmap meetings.

Where can I report security issues?

Please email our dedicated security team at legal@oncepdf.com for responsible disclosure of any vulnerabilities.

How can I contact your business team?

For B2B inquiries, partnerships, or API integrations, please select the "Business / Sales" category or email legal@oncepdf.com.

Commitment to Professional Support

The support and operations for OncePDF are managed entirely by Lumewise Technology Private Limited. We prioritize transparent communication and stringent data privacy standards.

Lumewise Technology Pvt. Ltd.
Professional Support Team
Editorial Team
Last Updated: September 2026

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