Documentation Index

Fetch the complete documentation index at: https://cloudinary.com/documentation/llms.txt

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Image & Video APIs

Troubleshooting and tips

Last updated: May-16-2026

This section provides troubleshooting guidance and useful tips for image delivery and transformations.

These topics answer questions that are commonly asked by actual Cloudinary customers.

Page Description
Troubleshooting image transformation errors Use the interactive X-Cld-Error inspector tool to quickly diagnose transformation URL errors by inspecting response headers. Learn about common transformation issues and how to resolve them.
How to diagnose 40x and X-Cld-Error codes when delivering assets A reference guide to troubleshoot and resolve common X-Cld-Error codes returned by Cloudinary when delivering assets, with causes and solutions for each error.
How to Add a Solid Color Overlay Learn how to apply solid color overlays to images using a 1x1 pixel image, with options to resize, recolor, position automatically, and adjust opacity.
Why are my Cloudinary images delivered without gzip compression (Content-Encoding)? Explains why Cloudinary applies gzip compression only to compressible formats and how to inspect the Content-Encoding response header.
Why am I seeing a long time to first byte (TTFB) on WebPageTest.org? Explains why WebPageTest may show a long TTFB for assets delivered via HTTP2 and how to optimize performance.
How can I update a named transformation? Learn different methods to update a named transformation in Cloudinary, including using the management console, Admin API, and CLI SDK to regenerate derived assets.
What's the difference between Cloudinary's automated cropping and Imagga's smart cropping? Understand the differences between Cloudinary's built-in content-aware cropping and the Imagga smart cropping add-on, including algorithm differences, configuration options, and quota considerations.
Suggested transformation options for placeholder images/LQIP Suggested transformation options for low-quality image placeholders (LQIP) to use for responsive design or lazy-loading implementations.
How to detect corrupted images Learn how to identify and handle corrupted JPEG images during upload by using the IsCorrupt parameter.
Force specific image when sharing links on Facebook Learn how to use Facebook's Open Graph og:image property with Cloudinary URLs to control which image appears when sharing links on Facebook.
Why is my image blurry? Explains the two most common reasons for image blurriness and how to address each using DPR and sharpening transformations.
How to offset face-detection gravity when cropping Learn how to nudge or offset the crop position relative to a detected face when using g_face gravity.

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