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Tech riderRev. 4 Oct 2026

Cantaloupe

Ch 136.6of 30 Photo Resizing Software
  1. 1Runs onself-hosted, Web
  2. 2CostsFree plan
  3. 3Resize methodsdimensions
  4. 4Quality controlsYes
  5. 5Supported platformsweb
5 lines stated Written from the maker's own pages: cantaloupe-project.github.io
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The Cantaloupe homepage

Overview

Cantaloupe is ranked #13 of 30 in photo resizing software on Specifiction. It runs on Self-hosted, Web. There is a free plan.

Cantaloupe plans and pricing

All plans
Cantaloupe Image Server Free Open-source dynamic image server · requires Java 17+ cantaloupe-project.github.io · 4 Oct 2026

Compared on photo resizing software

Resize methods
dimensionscantaloupe-project.github.io
Quality controls
Yescantaloupe-project.github.io
Supported platforms
webcantaloupe-project.github.io

Facts

Purpose
Cantaloupe is an open-source dynamic image server that generates image derivatives on demand from high-resolution source images.cantaloupe-project.github.io · 4 Oct 2026
Image operations
Available image operations include cropping, scaling, and rotation, supporting deep-zoom viewers and on-the-fly thumbnails.cantaloupe-project.github.io · 4 Oct 2026
IIIF support
The server conforms to all IIIF Image API versions through 3.0.cantaloupe-project.github.io · 4 Oct 2026
Image sources
Images can be served from filesystems, HTTP or HTTPS servers, S3, Azure Storage, and relational database BLOBs.cantaloupe-project.github.io · 4 Oct 2026
Image processors
Processor options include Java 2D, JAI, TurboJPEG, Kakadu, OpenJPEG, Grok, FFmpeg, and PDFBox.cantaloupe-project.github.io · 4 Oct 2026
Caching
Cache options include filesystem, Java heap, JDBC, S3, Azure Storage, and Redis implementations.cantaloupe-project.github.io · 4 Oct 2026
Security features
The project lists dynamic selective image and text watermarking, image-region redaction, HTTPS, HTTP Basic authentication, and customizable authorization policies.cantaloupe-project.github.io · 4 Oct 2026
TLS configuration
HTTPS is configurable, using a signed X.509 certificate in a Java KeyStore or PKCS#12 keystore.cantaloupe-project.github.io · 4 Oct 2026
Configuration
Configuration uses key-value pairs from environment variables or a .properties file, and most file changes take effect without restarting.cantaloupe-project.github.io · 4 Oct 2026
Deployment requirement
The base requirement is Java 17, and optional sources, processors, or caches may have additional requirements.cantaloupe-project.github.io · 4 Oct 2026
Docker
The project says there is currently no official Docker image.cantaloupe-project.github.io · 4 Oct 2026
Support
The project directs questions and comments to GitHub Discussions and bug reports or feature requests to GitHub Issues.cantaloupe-project.github.io · 4 Oct 2026
Intended users
The documentation describes production deployment and tuning, including controls for limiting image scale, pixel size, request threads, and queue length.cantaloupe-project.github.io · 4 Oct 2026
Maker
The site copyright identifies the University of Illinois Board of Trustees.cantaloupe-project.github.io · 4 Oct 2026

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