Back to blog

Why Telegram Rejects GIFs: 2027 Guide to VP9 WebM Animated Stickers

Jan 1, 2027EmoteGen TeamEmoteGen Team

Discover why Telegram’s official @Stickers bot rejects .gif files. Learn the exact technical specifications for VP9 WebM video stickers (512px, 256KB, ≤3.0s, no audio) and how to convert in 1 click.

Creators creating their first Telegram sticker pack often head to the official @Stickers bot, type /newvideo, and send their favorite animated GIF.

Within seconds, the bot coldly replies:

"Sorry, the file format is invalid. Please send me a .WEBM video sticker."

Why does Telegram—a messaging app celebrated for stickers—flatly refuse standard .gif files?


1. Why Telegram Dropped the GIF Format Entirely

GIF was invented in 1987. In the modern mobile era, it carries two fatal drawbacks:

  1. Bloated File Size: GIF relies on primitive 256-color LZW compression. A brief 3-second animation often weighs 3MB to 5MB, choking mobile data plans.
  2. Battery Drain: Mobile chipsets cannot hardware-decode animated GIFs, forcing the CPU to render every frame software-side, burning battery life.

To ensure silky 60fps sticker rendering without mobile overheating, Telegram made a bold architectural choice: Animated stickers must be encoded in Google's modern VP9 WebM format (.webm) or vector Lottie (.tgs)!


2. 2027 Telegram Video Sticker Technical Requirements

To upload your sticker pack to @Stickers, your file must satisfy all 6 rigid constraints:

| Parameter | Telegram Hard Specification | Common Failure Point | | :-------------------- | :----------------------------------------------------------- | :----------------------------------------- | | Codec & Container | VP9 codec, container .webm | MP4 or H.264 formats are rejected | | Canvas Dimensions | One side must be exactly 512 px, other side ≤ 512 px | E.g. 512×512 or 512×384; 500×500 fails | | File Weight | Exactly binary ≤ 256 KB (262,144 bytes) | 256.1 KB triggers bot rejection | | Duration Limit | Strictly ≤ 3.0 seconds (3,000 ms) | Even 3.1s will be rejected | | Frame Rate | Strictly ≤ 30 FPS | 60 FPS videos trigger "fps exceeded" error | | Audio Track | Must have NO audio stream (-an) | Even silent audio tracks trigger errors |


3. Skip the Complex Terminal: Convert with EmoteGen

Previously, you had to install ffmpeg and memorize complex command-line syntax:

# Complex legacy ffmpeg command
ffmpeg -i input.gif -c:v libvpx-vp9 -pix_fmt yuva420p -an -vf "scale=512:512:force_original_aspect_ratio=decrease" -t 3.0 output.webm

With EmoteGen:

  1. Drop your animated GIF or video into the browser.
  2. Select the Telegram WebM Sticker preset.
  3. Our client-side engine strips audio, enforces the 512px boundary, preserves alpha transparency, and renders a compliant VP9 .webm file locally in seconds.
  4. Send the output file directly to @Stickers—no command line, zero hassle!
Skip Manual Resizing

Tired of manual frame-dropping? Generate full compliant sticker sets with AI.

Describe any character to get a matching 9-sticker pack with transparent background and die-cut outline, formatted for all platforms.