Rules and Restrictions

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Last updated: 2021-06-15 10:49:22

Category	Feature	Rule and Restriction
Basic image processing	Common restriction	Supported format: JPG, BMP, GIF, PNG, WebP, as well as HEIF decoding and processing Supported size: The input image cannot exceed 20 MB, with its width and height not exceeding 30,000 pixels and the total number of pixels not exceeding 250 million. The width and height of an output image cannot exceed 9,999 pixels. For an input animated image, the total number of pixels (Width x Height x Number of frames) cannot exceed 250 million. Maximum number of frames (for GIF): 300
	Format Conversion	Supports JPG, BMP, GIF, PNG, WebP (default value: format of the input image). Converting GIF into HEIF is not supported.
	Quality Conversion	Supports JPG and WebP only.
	Progressive Display	Supports JPG only. If the format of the output image is not JPG, this parameter will be ignored.
	Pipeline Operator	Performs multiple operations on an image in sequence. Currently, up to 10 layers of pipelines are supported.
Advanced features	Guetzli Image Compression	Supports only JPG images whose quality is larger than 70 and the total number of pixels is smaller than 4 million.
	Image Advanced Compression	Format: supports converting JPG, PNG, GIF, WebP, and other formats into TPG or HEIF. Size: The input image cannot exceed 20 MB, with its width and height not exceeding 30,000 pixels and the total number of pixels not exceeding 250 million. The width and height of an output image cannot exceed 9,999 pixels. For an input animated image, the total number of pixels (Width x Height x Number of frames) cannot exceed 250 million. Maximum number of frames (for GIF): 300
	Blind watermarking	Adding blind watermark to animated images such as GIF is not supported. Width or height of the image watermark cannot be larger than 1/8 of the input image. A text watermark can contain only numbers (0−9) and English letters (A−Z, a−z).
Media processing	Video Processing	Supports AVI, MP4, MKV, FLV, HLS, TS, MP3, AAC, FLAC, and more.
Content moderation	Image Moderation	Supports PNG, JPEG, JPG, BMP, WebP, and GIF. An image cannot be larger than 10 MB. To ensure recognition accuracy, the image resolution should not be lower than 256x256.
	Video Moderation	Supports MP4, AVI, MKV, WMV, RMVB, FLV, and M3U8. A video cannot be larger than 5 GB and the number of frames cannot be more than 100 thousand.
	Audio Moderation	Supports MP3, WAV, AAC, FLAC, AMR, 3GP, M4A, WMA, OGG, and APE. Audio bitrate: 128−256 kbps Audio size: smaller than 600 MB Maximum duration: 3 hours
	Text Moderation	Supports TXT files not larger than 1 MB only.
Content recognition	QR Code Recognition、Image Label Recognition	Supports PNG, JPEG, and JPG. An image cannot be larger than 3 MB and the resolution should be higher than 50x50.
	Speech Recognition	Supports Mandarin, English, and Cantonese. Supported format: WAV, MP3, M4A An audio file cannot be longer than 5 hours or larger than 512 MB.
	Face Filter	A Base64-encoded image cannot be larger than 5 MB. PNG, JPG, JPEG, and BMP are supported, while GIF is not supported. To use portrait segmentation, the image resolution must be lower than 2000×2000.
	ID Card Recognition	A Base64-encoded image cannot be larger than 7 MB, and a resolution higher than 500×800 is recommended. Supported formats are PNG, JPG, JPEG, and BMP. It is recommended that the ID card should occupy over 2/3 of the image.
	Face ID	The Base64-encoded video cannot be larger than 8 MB. Supported formats are MP4, AVI, and FLV.
File preview	File Preview	1. Supported format: Presentation file: PPTX, PPT, POT, POTX, PPS, PPSX, DPS, DPT, PPTM, POTM, PPSM Text file: DOC, DOT, WPS, WPT, DOCX, DOTX, DOCM, DOTM Form file: XLS, XLT, ET, ETT, XLSX, XLTX, CSV, XLSB, XLSM, XLTM, ETS Other file: PDF, LRC, C, CPP, H, ASM, S, Java, ASP, BAT, BAS, PRG, CMD, RTF, TXT, LOG, XML, HTM, HTML 2. Supports previewing files within 200 MB with no more than 5,000 pages.
File preview	Privacy Compliance Protection	Supported format: MS office file: DOC, DOCX, PPT, PPTX, XLS, XLSX, RTF WPS file: WPS, DPS, ET PDF Plain text file: TXT, XML, SLK HTML, MSG Email: EML, PST