AI Tool

Fottly Review

Fottly is a self-hosted image transformation service that enables users to resize, convert, crop, and watermark images using URL parameters, including AI background removal capabilities.

shipped Sep 3, 2026codefreemium

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Why it matters

1Offers a free and open-source (AGPL-3.0) self-hosted solution.

2Includes integrated AI background removal as a standard feature.

3Provides a managed 'Fottly Cloud' service starting from €19/month for founding customers.

4Supports direct storage in AWS S3, Cloudflare R2, and Local MinIO buckets.

About Fottly

Business Model

Open Source

Headquarters

Germany

Platforms

Web, API

Pricing Plans

Founding Customers Plan

€19/mo

• 7-day free trial
• First 15 customers locked in forever
• Same URL API as self-hosted

API Docs GitHubOpen Source

Specs

API Docs

View Documentation →

API Available

Yes, public API

Screenshots

overview

What is Fottly?

Fottly is an AI-powered image transformation tool developed by Noah that enables developers and businesses to process images with greater control and transparency. It offers both a self-hosted, open-source solution and a managed cloud service, allowing users to resize, convert, crop, and watermark images using URL parameters, alongside integrated AI background removal. The service operates on the user's own infrastructure or via Fottly Cloud, storing data directly in specified S3-compatible buckets.

features

Key Features of Fottly

Fottly provides a comprehensive suite of image transformation features, emphasizing self-hosting and developer control. Its core capabilities are accessible via URL parameters, simplifying integration and usage.

Self-hosted image transformation service under AGPL-3.0 license.
AI background removal capabilities integrated as a standard feature.
Image resizing via URL parameters (e.g., width, height).
Image format conversion (e.g., to WebP, JPEG, PNG) via URL parameters.
Image cropping functionality via URL parameters.
Watermarking images with configurable text or image overlays.
Direct storage of original and cached images in user-owned S3-compatible buckets (AWS S3, Cloudflare R2, Local MinIO).
URL-based API for transformations, eliminating the need for SDK installations.
Per-IP rate limiting and configurable upload size caps for API usage.
Public delivery URLs for transformed images.

use cases

Who Should Use Fottly?

Fottly is designed for specific user groups and scenarios where control, cost predictability, and integrated AI capabilities are paramount for image processing workflows.

Developers and Businesses requiring a Self-hosted Image CDN: For those who need to maintain full control over their image assets, infrastructure, and URL schemes by running Fottly on their own servers and storing data in their S3 buckets.
Organizations seeking Cost-Predictable Image Processing: Ideal for users looking to avoid unpredictable billing associated with traditional image CDNs and hosted services that charge based on usage, bandwidth, storage, and transformations.
Web Application Developers: For integrating image manipulation and AI background removal directly into web applications using a simple URL-based API, without complex SDKs or build steps.
Users needing Integrated AI Background Removal: For applications requiring automated background removal as a standard, built-in feature rather than a separate, potentially costly add-on.
Companies Prioritizing Data Sovereignty: For entities that require image processing to occur within their own controlled environment, ensuring data remains within their specified storage solutions.

how to use

How to Use Fottly

Fottly can be deployed as a self-hosted solution or utilized through its managed cloud service. Integration primarily involves configuring storage and constructing image URLs with desired transformation parameters.

1Self-Hosted Deployment: Download the open-source software (AGPL-3.0) from GitHub and deploy it on your own server infrastructure.
2Configure Storage: Connect Fottly to your preferred S3-compatible storage bucket (AWS S3, Cloudflare R2, Local MinIO) for storing original and cached images.
3Upload Images: Store your original images in the configured S3 bucket.
4Construct Transformation URLs: Generate image URLs by appending specific parameters for resizing, converting, cropping, watermarking, or background removal (e.g., https://yourdomain.com/image.jpg?w=200&h=150&bg=remove).
5Integrate into Applications: Embed these transformation URLs directly into your web pages or applications where images are displayed.
6Utilize Fottly Cloud (Optional): Subscribe to the Fottly Cloud service for a managed solution, bypassing self-hosting setup and maintenance.

pricing

Fottly Pricing & Plans

Fottly offers a freemium model, providing both a free and open-source self-hosted option and a managed cloud service with a fixed-cost structure for early adopters.

Self-Hosted (Open-Source): Free under the GNU Affero General Public License v3.0 (AGPL-3.0). Users incur only their own infrastructure and storage costs. This version allows full modification and commercial use, with the requirement to make modified source available if offered over a network.
Fottly Cloud - Founding Customers Plan: €19/month. This introductory price is 'locked in forever' for the first 15 founding customers. It includes a 7-day free trial, which requires a card to initiate and automatically charges after the trial unless cancelled.

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Pros

+Offers a free and open-source (AGPL-3.0) self-hosted option, providing full control over infrastructure and data.
+Includes integrated AI background removal as a standard feature, not an add-on.
+Utilizes a simple URL-based API for image transformations, eliminating SDK dependencies.
+Supports direct storage in user-owned S3-compatible buckets (AWS S3, Cloudflare R2, Local MinIO).
+Provides a managed cloud service with a predictable, fixed monthly cost for early customers (€19/month).

Cons

−Self-hosting requires technical expertise for setup, maintenance, and scaling.
−Limited user reviews and adoption data (e.g., 'Downloads: 0 This Week' on SourceForge as of August 21, 2026) suggest a niche user base.
−The 'Founding Customers Plan' at €19/month is limited to the first 15 customers, potentially leading to higher costs for later adopters.
−Specific details on recent updates (e.g., 'Last Update: 5 days ago' on SourceForge) are not publicly detailed, making it difficult to track development.

Similar Tools

Fottly vs Competitors

Fottly differentiates itself in the image transformation market by emphasizing self-hosting, open-source availability, and integrated AI background removal, positioning itself against both proprietary hosted services and other open-source solutions.

Imgcompress↗

It's a self-hosted image processing toolbox that includes compression, format conversion, and AI background removal, all accessible via a web interface.

Imgcompress directly matches Fottly's combination of self-hosted image transformations and AI background removal, offering a web interface for management rather than solely relying on URL parameters for all operations.

SnapOtter↗

Provides self-hosted AI background removal and extends to other image, video, audio, PDF, and file processing capabilities.

SnapOtter offers self-hosted AI background removal and other image transformations, similar to Fottly, but expands its scope to include other media types and focuses on local processing to ensure privacy and cost control.

Thumbor↗

An open-source smart imaging service that allows on-demand image transformations and optimizations via URL parameters.

Thumbor provides similar on-the-fly image transformations via URL parameters and is self-hosted, but it does not include built-in AI background removal like Fottly. You would need to integrate a separate AI model or service for that functionality.

withoutBG (Open Model)↗

Offers a self-hosted, open-weight AI model for high-quality background removal, designed for privacy and local processing.

withoutBG provides a robust, self-hosted solution specifically for AI background removal, which is a key feature of Fottly. However, it focuses solely on background removal and would require integration with a separate image transformation service for other operations like resizing or watermarking.

See every Fottly alternative, compared→

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GitHubgithub.com/Noah-1919/Fottly