Cloudinary Blog

Blog posts of 'Node' tag
Automating File Upload and Sharing

As computer users, we constantly upload files, transferring them from one system to another over a network. You can perform uploads on a terminal, such as through the SSH File Transfer Protocol (SFTP) or Secure Copy Protocol (SCP), File Transfer Protocol (FTP) clients, or web browsers. Generally, you upload files to move data to a server or a managed service like cloud storage, but you can also send files between distributed clients.

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How to Generate Waveform Images From Audio Files

Nowadays, users can and often upload various media files to social networks, websites, and messaging apps. Most of those media are images and videos, with a significant number being audio files. Subsequently, to create a thumbnail to depict an image, a site or app would crop and then resize it to scale. To depict a video, they would convert, crop, and resize a single frame from it as a thumbnail.

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Animated GIF? Convert to WebM or MP4

Short videos of animated GIFs are spreading like wildfire around the web, especially in media and news sites, and people frequently share animated GIFs on social apps. However, because those GIFs are not optimized, their sizes are huge, consuming heavy bandwidth and slowing down page loads. Also, resizing and transforming a large number of animated GIFs, one by one, to match the graphic design of your site or app is a lengthy, CPU-intensive process.

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How to Sharpen Or Blur Images Through Automation
Images. More likely than not, your web or mobile app is filled to the brim with images, which, from graphical appeal to size and access times, figure prominently in the browsing experience. Image appeal could motivate visitors to return and, in the case of e-commerce, become customers.
 
No matter how outstanding the page design is, many of the images that you as web developers must embed are not in your direct control. Not to mention that social websites contain user-uploaded profile photos; the product photos on e-commerce sites are too numerous to be edited one at a time; and media outlets invariably contain many photographs of different standards.
 
Cloudinary offers an automated tool that tweaks and retouches images by sharpening or blurring them. Obviously, you can also sharpen blurry images with that option.
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Secure Image Transformations With Signed URLs
Modern websites and mobile apps frequently showcase images of various dimensions, sometimes varying the graphics, resolutions, and look and feel for different devices (desktop, mobile, etc.); and revamping the graphics with upgrades.
 
A key benefit Cloudinary offers is an easy, intuitive, and flexible process of modifying images. A case in point: by setting simple parameters in our dynamic URLs, you can resize or crop images, alter their shapes, and apply effects. After transforming images on the fly in the cloud and optimizing the resulting thumbnails, Cloudinary delivers them through a fast content delivery network (CDN).
 
All that makes it a snap to view the various images derived from a single high-resolution source. Here's an example of a dynamic image-manipulation URL in action:
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How to Optimize Animated GIFs With Lossy Compression

Even though the image format animated GIFs are gaining popularity, their file size is usually large, causing slow loading and incurring high bandwidth costs. Besides, the GIF format is old and not optimized for modern video clips. The developer’s job of effecting fast loading of animated GIFs and delivering optimized images is complex and time-consuming.

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