Image Foundry vs ImageBoss

A detailed, feature-by-feature comparison based on the ImageBoss documentation. See exactly where Image Foundry matches, exceeds, or differs from ImageBoss.

Operations Cover Modes Filters Watermark Text Blending Palette BG Removal PDF Format Delivery Security Sources Platform
✓ Supported ◐ Partial ✗ Not available

Core Operations

The main resize and delivery operations.

FeatureImageBossImage FoundryNotes
Cover (/cover/WxH/)Resize & crop to exact dimensions
Width (/width/W/)Fixed width, proportional height
Height (/height/H/)Fixed height, proportional width
CDN Passthrough (/cdn/)Compression + auto-rotate, no resize
withoutEnlargement optionPrevent upscaling beyond original
ignoreAspectRatio optionAllow distortion
Download optionContent-Disposition: attachment

Cover Modes

Advanced cropping strategies within the cover operation.

FeatureImageBossImage FoundryNotes
Smart Crop (cover:smart)Content-aware crop (default)
Attention (cover:attention)Luminance, saturation, skin tones
Entropy (cover:entropy)Shannon entropy algorithm
Face Detection (cover:face)Face-aware cropping
Face Index (face-index)Select specific face
Directional Modes (N, NE, E, etc.)9 gravity positions
Focal Point (fp-x, fp-y, fp-z)Precise point of interest
Contain (cover:contain)Embed within dimensions + padding
Inside (cover:inside)Fit within dimensions, no padding
Fill Color (fill-color)Background for contain mode

Filters

Image filters and adjustments.

FeatureImageBossImage FoundryNotes
Grayscale (grayscale:true)
Blur (blur:N)Gaussian blur by sigma
Sharpen (sharpen:N)
Trim (trim:N)Remove borders of similar colour
Gamma (gamma:N)Gamma correction
Linear (linear:a,b)Linear formula a*x+b
Threshold (threshold:N)Black/white threshold 0–255
Extract Regionextract-top, extract-left, extract-width, extract-height
Privacy (face blur/pixel)Region blur/pixelate via privacy-* params
Combining FiltersComma-separated in URL

Watermark

Image watermark overlay.

FeatureImageBossImage FoundryNotes
Watermark Path (wmk-path)URI-encoded path to watermark
Watermark Position (wmk-position)9 positions: N, NE, E, SE, S, SW, W, NW, center
Watermark Width (wmk-width)Fixed pixel width
Watermark Scale (wmk-scale)Percentage of base image (1–100)
Watermark Padding (wmk-pad)Pixels from edges
Watermark Opacity (wmk-opacity)1–100

Text Overlay

Text rendering on images.

FeatureImageBossImage FoundryNotes
Text String (txt)
Text Size (txt-size)
Text Font (txt-font)
Text Color (txt-color)Hex colour
Text Font Weight (txt-font-weight)normal, bold, numeric
Text Font Style (txt-font-style)normal, italic
Text Position (txt-position)9 positions
Text Padding (txt-pad)1–100
Text Shadow (txt-shad)0–10
Text Opacity (txt-opacity)1–100
Text Stroke (txt-line)0–100
Text Stroke Color (txt-line-color)Hex colour
Custom FontsImageBoss: request via support

Blending

Colour overlay compositing with blend modes.

FeatureImageBossImage FoundryNotes
Blend Mode (blend-mode)multiply, screen, overlay, darken, lighten, color-dodge, color-burn, hard-light, soft-light, difference, exclusion
Blend Color (blend-color)Hex colour overlay with blend mode

Color Palette

Dominant colour extraction from images.

FeatureImageBossImage FoundryNotes
Palette JSON (palette:json)Returns colours + dominant colours as JSON
Palette CSS (palette:css)Returns CSS classes for colours
CSS Prefix (prefix)Custom CSS class prefix

Background Removal

AI-powered background removal.

FeatureImageBossImage FoundryNotes
Background Removal (bg-remove=1)Automatic background removal using ML

PDF

PDF rendering to image.

FeatureImageBossImage FoundryNotes
PDF to ImageFirst page rendered by default
Page Selection (page:N)Select specific page

Format, Quality & Compression

Output format control, quality, and compression settings.

FeatureImageBossImage FoundryNotes
Auto Format (format:auto)AVIF/WebP based on Accept header
JPEG Output (format:jpg)
PNG Output (format:png)
WebP Output (format:webp)
AVIF Output (format:avif)
TIFF Output (format:tiff)
GIF Output (format:gif)
MP4 Output (animated)GIF to MP4 conversion
Quality Control (quality:N)1–100 (default 80)
Default CompressionApplied automatically
Disable Compression (compression:false)quality=100, no mozjpeg
Progressive JPEGAlways enabled by default
Disable Progressive (progressive:false)
Input: JPEG, PNG, WebP, GIF, AVIF, HEIF
Input: SVG (rasterised)Rasterised on processing
Input: BMP
Input: TIFF

Delivery & Performance

CDN, caching, SEO, and delivery features.

FeatureImageBossImage FoundryNotes
Global CDNCloudflare CDN integration
Auto-Rotate (EXIF)Orientation detection by default
Disable Auto-Rotateautorotate:false
Device Pixel Ratio (dpr)1–3x
SEO-Friendly URLsClean, readable URLs
Animated GIF/WebP/AVIFanimation:true option
Animated GIF to MP4
HTTP Cache HeadersCache-Control, ETag, 304 support
Vary: Accept headerFor format:auto

Security

URL signing and access control.

FeatureImageBossImage FoundryNotes
Signed URLs (HMAC SHA-256)Per-source secret key
Expiring Signed URLstoken/bossToken + expires param
Per-Source Signing ToggleEnable via source config

Image Sources

Supported storage backends for origin images.

FeatureImageBossImage FoundryNotes
Web ProxyFetch from any HTTP/HTTPS URL
Amazon S3
Google Cloud Storage
Digital Ocean SpacesS3-compatible
Cloudflare R2S3-compatible
Microsoft AzureAzure Blob Storage
Akamai Object StorageS3-compatible
Wasabi Object StorageS3-compatible
Filesystem (local disk)Self-hosted deployments

API

Management and caching APIs.

FeatureImageBossImage FoundryNotes
Sources API (CRUD)Create, read, update, delete sources
Caching & Purge API

Platform & Infrastructure

Deployment, integrations, and operational features.

FeatureImageBossImage FoundryNotes
SaaS (Managed)
Self-HostedRun on your own infrastructure
Open Source (MIT)
Custom DomainsCNAME + auto SSL
Dashboard
Usage Analytics
Path-Based URLsNative ImageBoss-style URLs
Query-Param URLs (imgix style)Dual URL format support
Hot-Reload Source Configsources.yml watched automatically
Redis-Backed Source StoreMulti-process sync via pub/sub
Multi-Tenant SupportBuilt-in tenant isolation
Rate LimitingPer-tenant rate limits

Client Integrations

Official client libraries and platform plugins.

FeatureImageBossImage FoundryNotes
JavaScript / Node.jsStandard URL construction
ReactCompatible — same URL pattern
Vue.jsCompatible — same URL pattern
WordPress Plugin
Shopify Plugin
Magento Plugin
Ruby / RailsCompatible — same URL pattern
Go / Java / ElixirCompatible — same URL pattern

Summary

Ready to Switch?

Image Foundry uses the same path-based URL format as ImageBoss — migration is just a domain swap.

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