Given the ambiguity, this article will address the most logical interpretations: , repairing broken MP4 ad files , and how to use MP4 video in ad campaigns —with a focus on the fragmented “rekl-” suffix as a prefix for Reklama (Russian for advertisement) or Reklam .

Use ffmpeg to compress your AJB-converted MP4 to meet rekl- specs:

Need further help? Search for “FFmpeg reklam repair” or “AJB to MP4 batch converter” to find community scripts tailored to your exact file signature. AJB mp4 rekl-, AJB to MP4, repair reklam video, MP4 advertising format, fix rekl- error, convert AJB file.

| Platform | Max Duration | Resolution | Codec | File Size Limit | | :--- | :--- | :--- | :--- | :--- | | Google Ads | 30 seconds | 1080p max | H.264 | 1 GB | | Facebook/Instagram Reels | 60 seconds | 1080x1920 | H.264 | 4 GB | | TikTok Ads | 60 seconds | 720p min | H.264 | 500 MB | | TV Broadcast (Rekl- spot) | 15/30 sec | 1080i | MPEG-2 or H.264 | 2 GB |