Telegram Sticker Converter

Converter for Telegram stickers and animations into various formats.
Supports TGS, WEBP, WEBM, with the ability to extract single frames, frame sequences, or convert to video.

Features

• Support for main Telegram sticker formats: TGS, WEBP, WEBM
• Conversion to static images, animations, and videos
• Flexible frame extraction: first, single, range, or all frames
• Resizing on transformation
• Easy to use as a Go library

Requirements

• Go ≥ 1.24\
• ffmpeg ≥ 7.1.1 (for video/animations)

Supported conversions

Input	Output
TGS	PNG (first, all, N-th, range) JPEG (same) WEBP (same) Lottie JSON GIF WEBM MP4
WEBP	PNG JPEG
WEBM	MP4 GIF PNG (first, all, N-th, range) JPEG (same) WEBP (same)

Installation

go get github.com/yazmeyaa/telegram_sticker_converter

Usage examples

General pattern: open input file, create output file, pass TransformOptions.

Extract frame from TGS

conv := tgs.NewConverter()

r, _ := os.Open("./sticker.tgs")
defer r.Close()

w, _ := os.Create("./sticker.png")
defer w.Close()

opts := converter.TGSTransformOptions{
    Format:     converter.FormatPNG,
    Frame:      converter.FrameN,
    FrameIndex: 10,
    ResizeWidth:  1024,
    ResizeHeight: 1024,
}

_ = conv.Transform(context.Background(), r, w, opts)

Convert TGS → MP4

opts := converter.TGSTransformOptions{
    Format:      converter.FormatMP4,
    ResizeWidth: 1024,
    ResizeHeight: 1024,
}
_ = conv.Transform(ctx, r, w, opts)

Convert TGS → ZIP with frames

opts := converter.TGSTransformOptions{
    Format:      converter.FormatPNG,
    Frame:       converter.FrameAll,
    ResizeWidth: 1024,
    ResizeHeight: 1024,
}
_ = conv.Transform(ctx, r, w, opts)

License

GPLv3