Learn more about spf.io

Spf.io Online

Display translation for multiple languages simultaneously

It’s easy to add more languages as your audience needs grow.

Control the delivery of translations with the tap of a button

Control the display of slides and multilingual subtitles from a single device.

Deliver slides and captions to mobile devices and projectors

Audience members can choose to read or listen to the translation. No FM headsets to manage or apps to download.


Automated translation at your fingertips

Whether you’ve prepared a script or just have microphone audio, you can provide captions and translation for your event with spf.io.

Have access to automatic translation in over


How It Works

What equipment do I need for spf.io?

Here are the technical requirements:

  1. Laptop running Google Chrome
  2. Reliable internet (a wired ethernet connection is best!)
  3. Microphone audio output from the venue soundboard to the laptop

1. Upload prepared materials


Prepared Translations

(if you have it)

Single Control

Set up the device that will control the display of translations and slides.

Connect a microphone

to spf.io for automatic captions and translation.


Show up to 3 languages on a single projector.

Mobile Devices

Your audience visits the event URL to receive translation.

Provide subtitles no matter how much (or how little) prepared content you have.

High Preparation

Provide an amazing translation experience to your audience by loading your script, slides, and translations into spf.io beforehand.

Medium Preparation

Load your manuscript into spf.io before the event and get it auto-translated with the click of a button.

Low Preparation

No manuscript? No worries! Just plug the microphone audio into a computer running spf.io and monitor the live captioning/translation.

Watch a demo video

Ready to try it out?

Get started today to begin creating transformative multilingual experiences.

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