
TinyPNG
Squoosh
Compressor.io
iLoveIMG
Gumlet
Imagify
ImageOptim
Speed up your website by optimizing the images.

Buffer
Hootsuite
Ayrshare
Later
Publer
Postiz
Metricool
Social Media API for developers. Post to TikTok, Instagram, YouTube, Facebook & 19 more platforms with one API call. MCP server for Claude/ChatGPT, white-label for SaaS. 70k+ users.
Which is more popular?
Based on our record, ShortPixel seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | shortpixel.com | upload-post.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Romania · 2014 | Startup from Spain · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


ShortPixel is an image optimization service that offers tools and WordPress plugins that can be easily used to optimize and compress images with just a few clicks.
Upload-Post is a social media API that lets developers post to TikTok, Instagram, YouTube, Facebook, X (Twitter), LinkedIn, Pinterest, Threads and more with a single API call. Built for SaaS platforms, agencies, and developers who need reliable multi-platform publishing without managing...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
ShortPixel is recommended for website owners, developers, and digital marketers who need to optimize images to improve site speed and performance. It's particularly beneficial for e-commerce sites, blogs, and any website with a high volume of images.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
ShortPixel Review - [ NEW ] Adaptive Images WordPress Optimization Plugin With Super Powers
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing ShortPixel and Upload-Post.
ShortPixel's answer
ShortPixel Image Optimizer offers the most comprehensive, frequently updated WordPress plugin with the best image optimization algorithms
Upload-Post's answer:
Upload-Post is the only API that lets you post to 10+ social platforms with a single endpoint. No need to integrate TikTok, Instagram, YouTube, and Facebook APIs separately — one call handles everything. We also offer true white-label: your users connect their accounts directly, so you never touch their credentials.
ShortPixel's answer
SmartCompress image optimization algorithms offer maximum compression while keeping the image quality intact. The plugin is an install-an-forget-about-it tools fit for any WordPress website. 24/7/365 support.
Upload-Post's answer:
ShortPixel's answer
Any website owner in general and any WordPress website owner in particular. Basically if your website has images then ShortPixel is a tool that you'll find useful.
Upload-Post's answer:
Upload-Post's answer:
We were building a SaaS and needed to post to multiple social platforms. Integrating each API separately was painful — different auth flows, formats, rate limits, and constant breaking changes. So we built Upload-Post to solve it once. Now thousands of developers use it to skip the headache and ship faster.
Share your experience with using ShortPixel and Upload-Post. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


By using ShortPixel, my clients' websites now load faster and deliver a seamless experience, thanks to efficient image compression without compromising quality.
So far it has done a great job optimizing all my images and generating WEBP for each image. I used to do all this manually using Photoshop but after using ShortPixel I've saved days and hours of work!
ShortPixel is my go-to image optimization service that stands out for its efficiency in reducing image sizes without compromising quality. The user-friendly interface of the WordPress plugin makes it an ideal choice...
We have no reviews of Upload-Post yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


ShortPixel Image Optimizer is usually the best as it handles lossy, glossy, and lossless compression, does automatic WebP and AVIF conversion, and has solid bulk optimization with CDN included in each plan, even the Free one. It tends to... - Source: dev.to / 8 months ago
ShortPixel solves this in 2 minutes of setup, then runs automatically forever. Your images maintain their quality. Your site loads dramatically faster. Mobile visitors can actually browse your galleries. And you create a professional... - Source: dev.to / 10 months ago
ShortPixel handles image optimization automatically across your entire portfolio, so uploaded images get optimized without anyone monitoring queues or remembering which sites have optimization enabled. - Source: dev.to / 10 months ago
Tracking Upload-Post since Feb 2026.
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Compress and compare images with different codecs, right in your browser
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Powerful APIs that enable you to send social media posts effortlessly. Post and manage your users social account via an API.
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