Upload API docs
Upload images with our APIs, SDKs, and widgets. S3 buckets supported.
Built for Developers: Image Upload API
Enjoy a scalable REST API for uploading, hosting, and processing images — with zero setup.
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Upload, process & serve images
Bytescale's real-time image upload API is designed for developers that need a fast and scalable way to store, process, and host images on-demand.
- Images hosted on our blazingly-fast CDN.
- Image resizing, cropping, converting, and more.
- Simple API, SDKs and documentation.
Real-time image processing
Transform images by appending "URL slugs" to your uploaded images, and have the result returned in real-time.
- Simple URL commands to process your images.
- Images typically processed in under a second.
- Near-instant subsequent requests (via perma-cache).
Resize, crop, convert & optimize
Our image processing preserves color spaces, ICC profiles, alpha transparency channels, and more... while keeping file size to a minimum.
- Intelligent AI-based cropping
- Convert HEIC, HEIF, RAW, WEBP, JPEG, and more
- Smart compression ensures optimal image size & quality
Extract metadata & keywords
Extract author information, keywords & metadata embedded within your images as parsable JSON.
- Extract EXIF metadata (camera, resolution, etc.)
- Extract IPTC metadata (keywords, author, license, etc.)
- Retrieve as simple, easy-to-parse JSON.
Worldwide CDN coverage
Never sacrifice performance: our CDN ensures high-speed downloads for your users, no matter where they are.
- Pre-integrated: no setup required.
- Over 600 points of presence.
- Covers 90+ cities across 47 countries.
Authorize uploads & downloads
Optionally authorize all uploads and downloads via your app's existing security layer using JWTs.
- Authorize all uploads and downloads.
- Generate JWTs from your API for per-user access.
- Uses your app's existing security layer.
Monitor traffic & storage
Beautiful dashboards to reveal bandwidth and storage usage in clear and simple terms.
- Analyze monthly & daily usage patterns.
- Gain insights by identifying trends.
- Identify busy and quiet periods.
Everything you need to handle
images in your application
Core Features
Image Resizing
Resize and intelligently crop images with our on-demand API. Supports large images (1,000MP).
Image Conversion
Convert from PDF, SVG, HEIC, and more to web-safe image formats such as JPG and WebP.
Image Optimization
Optimize images using the latest image compression technology, including WebP, AVIF, and more.
Image Watermarking
Watermark images with repeating text, custom fonts, and even overlay other images.
Smart Cropping
Automatically crop images by allowing our API decide the best point of interest for your image.
CDN / Proxy Support
Optionally add existing HTTP endpoints as image sources to pull and process existing content.
Image Metadata
Extract metadata, such as dimensions, to make decisions in your app based on the user's image.
Simple Upload API
Upload images with POST requests or our SDKs: our documentation is clear and simple, and includes examples with your API key.
Simple Image API
Benefit from an easy-to-use URL API to process your uploaded images and return in web-optimized formats, such as WebP and AVIF.
Pro Features
Custom CNAME
Use a custom CNAME for your image URLs to strengthen your company's brand.
External Storage
Integrate external storage: AWS S3, Cloudflare R2, DigitalOcean Spaces, Google Storage & HTTP.
Authorized Access
Bytescale allows you to control access to your images via your API through JWT access tokens.
Acceleration
Bytescale offers a Content Ingestion Network (CIN) for image upload traffic.
Team Support
Invite your team to manage and monitor your organization's account.
Read the Docs
Image API docs
Optimize and process your images with simple URL query parameters:
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& process images?
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