RunConvert

3GPP to FLV Converter

Convert 3GPP to FLV online for free. Fast, secure, and high-quality conversion with no sign-up or software required.

Free to useNo file stored beyond 1 hourEncrypted over TLS 1.2/1.3No watermarks

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How it works

Three steps to your converted file

Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.

01

Upload your file

Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.

02

Choose an output format

Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.

03

Convert & download

Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.

What is a 3GPP file?

The 3GPP file extension is functionally identical to 3GP, serving as a simplified version of the MPEG-4 Part 14 (MP4) container format. Designed by the 3rd Generation Partnership Project for GSM networks, it handles data storage for audio, video, and text (subtitles). The format adheres to ETSI 3GPP technical specifications TS 26.244, supporting variable bit rate (VBR) audio via the Adaptive Multi-Rate (AMR) codec. While less common than the three-character .3gp extension, .3gpp is fully compliant with the ISO/IEC 14496-12 standard.

How to open a 3GPP file

Opening a 3GPP file requires software capable of parsing the ISO base media file structure and decoding H.263/H.264 video alongside AMR audio. Native support exists in standard Android video players. For Windows and macOS users, if the default media players (Movies & TV, QuickTime) encounter playback errors, the VLC media player is the industry-standard solution for rendering these mobile-specific archives.

3GPP Technical Info

Full Name
3rd Generation Partnership Project File Format
Developed By
3GPP
Initial Release
2004
MIME Type
video/3gpp

What is an FLV file?

The FLV (Flash Video) format is a container file format defined by Adobe Systems for delivering synchronized audio and video over the internet via the Adobe Flash Player. It supports various codecs, historically Sorenson Spark and VP6, and later H.264 (MPEG-4 AVC) and AAC audio. FLV files were the dominant standard for web-based streaming video (YouTube, Hulu) during the 2000s, utilizing the RTMP (Real-Time Messaging Protocol) for transmission before being superseded by HTML5 standards.

How to open an FLV file

Since the End-of-Life (EOL) of Adobe Flash Player in 2020, browsers no longer support FLV natively. To play local FLV files, users must utilize third-party media players that maintain legacy codec support, such as VLC Media Player, MPC-HC, or MPV. For editing or conversion, tools like OBS Studio and HandBrake utilize the FFmpeg library to decode and process the container.

FLV Technical Info

Full Name
Flash Video
Developed By
Adobe Systems
Initial Release
2002
MIME Type
video/x-flv

Why RunConvert

The fastest way to convert any file

Purpose-built for speed, privacy, and breadth of format support.

Convert 3GPP to FLV in seconds

Every 3GPP to FLV conversion runs on our servers, so your device stays fast and the output quality stays intact.

Fast, cloud-powered

No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.

Secure & private

Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.

Free - no account needed

Convert without creating an account - no credit card, no trial clock. Sign in only if you want history and higher daily limits.

Developer API

Convert 3GPP to FLV via API

Automate 3GPP to FLV conversions in three steps: create a job, upload your file, then poll for the result.

# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tag": "3gpp-to-flv",
    "tasks": {
      "upload-file": {
        "operation": "import/upload"
      },
      "convert": {
        "operation": "convert",
        "input": "upload-file",
        "output_format": "flv"
      },
      "export-result": {
        "operation": "export/url",
        "input": "convert"
      }
    }
  }'

# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.3gpp

# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
  -H "Authorization: Bearer YOUR_API_KEY"

Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.