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3GP to SPH Converter

Convert your 3gp files to sph (nist sphere audio file) online & free

Drag & Drop or Choose a file

Chose 3GP file
To
Drop file here. 150 MB maximum file size.

No sign-up required. Your files are deleted automatically after 24 hours.


Convert to SPH   

What did you think of your recent 3GP conversion? 4.9 (610 Votes)

Convert Other 3GP File

How to Convert PDF to DOCX

  1. Click the "Choose 3GP File" button and select your 3GP.
  2. Click โ€œConvert to SPHโ€.
  3. Wait a few seconds while we convert your file.
  4. Download the resulting SPH file instantly.

What is 3GP?

A 3rd Generation Partnership Project (3GPP) is a media file recorded in a container format developed by the 3rd Generation Partnership Project. It stores the audio and video streams that are transmitted between 3G mobile phones and the Internet.


Read everything about 3GP file type.

What is SPH?

An SPH file is an audio file created in the NIST SPHERE format, which is often used in searching speech recognition. Usually contains the apos; recording of apos; a person who speaks. The SPH files can be provided as voice-recognition system entries.


Read everything about SPH file type.

More Free Online 3GP Tools

We have 100% free online 3GP tools that does not required any registrations and installations on your system, here are few popular free 3GP tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

Frequently Asked Questions

โ“ How can I convert 3GP to SPH?

Chose or drag & drop your 3GP file, click Convert to SPH, and download the SPH file. No registration needed.

๐Ÿ” Are my files secure?

Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.

๐Ÿ“ Will my formatting be preserved?

Yes, our converter retains layout, fonts, and images as accurately as possible.

โฑ๏ธ How long does it take to convert 3GP to SPH?

Fileproinfo converter engine works fast. You can convert 3GP to SPH in a few seconds to couple of minutes for large size files with complex structure.

Convert from 3GP

FileProInfo support manay file formats that allow you to convert 3GP to 100s of file formats, without any limit, registration and downloading, 100% free and online 3GP converter.

100% Free 3gp file converter online tools. Other recommended free online 3gp to sph file converter

All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.

# Tools License Developer
1 3GP to SPH converter Free JeDok.com
1 3GP to SPH converter Free Docpose.com
Browse all file extensions Browse all software programs Browse free online tools

This tool and page updated at: 12-Apr-2025

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