Image Foundry vs imgix

Size & Crop

Core resize, crop, and dimension control parameters.

Feature	imgix	Image Foundry	Notes
Image Width (`w`)	✓	✓
Image Height (`h`)	✓	✓
Resize Fit Mode (`fit`)	✓	✓	crop, clip, clamp, max, min, fill, fillmax, scale, facearea all mapped
Crop Mode (`crop`)	✓	✓	center, top, bottom, left, right, faces, focalpoint, entropy, edges
Aspect Ratio (`ar`)	✓	✓	Computes missing dimension from W:H ratio
Source Rectangle (`rect`)	✓	✓	Region extraction via extract params
Maximum Width (`max-w`)	✓	✓	Clamps output width
Maximum Height (`max-h`)	✓	✓	Clamps output height
Minimum Width (`min-w`)	✓	✓	Floors output width
Minimum Height (`min-h`)	✓	✓	Floors output height
Device Pixel Ratio (`dpr`)	✓	✓	1–3x

Focal Point Crop

Fine-grained focal point control for art-directed cropping.

Feature	imgix	Image Foundry	Notes
Focal Point X (`fp-x`)	✓	✓	0.0–1.0
Focal Point Y (`fp-y`)	✓	✓	0.0–1.0
Focal Point Zoom (`fp-z`)	✓	✓	1.0–10.0
Focal Point Debug (`fp-debug`)	✓	✓	SVG crosshair overlay at focal point

Format & Output

Output format, quality, compression, and encoding options.

Feature	imgix	Image Foundry	Notes
Output Format (`fm`)	✓	✓	jpg, png, webp, avif, gif, tiff
Output Quality (`q`)	✓	✓	1–100
Auto Format (`auto=format`)	✓	✓	Accept-header negotiation: AVIF > WebP > original
Auto Compress (`auto=compress`)	✓	✓
Lossless Compression (`lossless`)	✓	✓	WebP and AVIF lossless encoding
Chroma Subsampling (`chromasub`)	✓	✓	JPEG chroma subsampling (420/444)
Color Quantization (`colorquant`)	✓	✓	PNG palette mode (2–256 colours)
Color Space (`cs`)	✓	✓	sRGB, Adobe RGB, and other colour spaces
Dots Per Inch (`dpi`)	✓	✓	Set output density metadata
Progressive JPEG (`fl=progressive`)	✓	✓	Always enabled by default
Download (`dl`)	✓	✓	Content-Disposition: attachment
Client Hints (`ch`)	✓	✓	Accept-CH: DPR, Viewport-Width, Width
IPTC Passthrough	✓	✓	Via iptc=true or metadata=keep
Rasterize Bypass	✓	✓	rasterize=false or fm=svg returns SVG as-is
Sanitize SVG	✓	✓	Auto-sanitize on by default; disable with sanitize-svg=false

Automatic Optimization

Automatic processing applied without explicit parameters.

Feature	imgix	Image Foundry	Notes
Auto-rotate (EXIF)	✓	✓	Always applied
Metadata Stripping	✓	✓	EXIF data stripped from output
Progressive JPEG	✓	✓	Always progressive
Default Compression	✓	✓	Quality 80 by default

Adjustment

Image adjustment controls for brightness, contrast, colour, and sharpness.

Feature	imgix	Image Foundry	Notes
Brightness (`bri`)	✓	✓	-100 to 100 via modulate
Contrast (`con`)	✓	✓	-100 to 100 via linear
Exposure (`exp`)	✓	✓	-100 to 100 via gamma
Gamma (`gam`)	✓	✓	Mapped from imgix range to sharp gamma
Highlight (`high`)	✓	✓	-100 to 100 via linear adjustment
Hue Shift (`hue`)	✓	✓	0–359 degrees via modulate
Invert (`invert`)	✓	✓	Colour negation
Saturation (`sat`)	✓	✓	-100 to 100 via modulate
Shadow (`shad`)	✓	✓	-100 to 100 via gamma adjustment
Sharpen (`sharp`)	✓	✓	Mapped to sharp sigma
Unsharp Mask (`usm`)	✓	✓	Via sharp sharpen
Unsharp Mask Radius (`usmrad`)	✓	✓	Radius parameter
Vibrance (`vib`)	✓	✓	-100 to 100, gentler saturation shift

Stylize

Creative filters and stylistic effects.

Feature	imgix	Image Foundry	Notes
Gaussian Blur (`blur`)	✓	✓	imgix 0–2000 mapped to sigma 0.3–100
Duotone (`duotone`)	✓	✓	Shadow,highlight hex colours via recomb
Duotone Alpha (`duotone-alpha`)	✓	✓	0–100 blend with original
Halftone (`htn`)	✓	✗
Halftone DTF	✓	✗
Monochrome / Grayscale (`mono`)	✓	✓	Grayscale conversion
Pixellate (`px`)	✓	✓	Pixel block size
Sepia Tone (`sepia`)	✓	✓	0–100 strength via recomb matrix

Fill

Background fill, gradient, and generative fill options.

Feature	imgix	Image Foundry	Notes
Background Color (`bg`)	✓	✓	Hex colours for fit=fill
Fill Color (`fill-color`)	✓	✓	Via fill-color option in contain mode
Fill Mode (`fill`)	✓	✓	Solid colour, gradient, and grid fills supported
Fill Generative Prompt	✓	✗	AI generative fill
Fill Generative Fallback	✓	✗
Fill Generative Negative Prompt	✓	✗
Fill Generative Position	✓	✗
Fill Generative Seed	✓	✗
Fill Gradient Linear	✓	✓	Via fill-gradient-linear param
Fill Gradient Radial	✓	✓	Via fill-gradient-radial param
Fill Gradient Color Space	✓	◐	sRGB gradients; custom color space not implemented
Grid Colors / Grid Size	✓	✓	Via grid-colors and grid-size params
Transparency (`transparency`)	✓	✓	Alpha channel control

Text Overlay

Text rendering and typesetting on images.

Feature	imgix	Image Foundry	Notes
Text String (`txt`)	✓	✓
Text Font (`txt-font`)	✓	✓
Text Font Size (`txt-size`)	✓	✓
Text Color (`txt-color`)	✓	✓
Text Align (`txt-align`)	✓	✓	Mapped to position
Text Padding (`txt-pad`)	✓	✓
Text Shadow (`txt-shad`)	✓	✓
Text Outline (`txt-line`)	✓	✓
Text Outline Color (`txt-line-color`)	✓	✓
Text Font Weight (`txt-weight`)	✓	✓	normal, bold, numeric
Text Font Style	✓	✓	normal, italic
Text Clipping Mode (`txt-clip`)	✓	✓	SVG clip-path overflow control
Text Fit Mode (`txt-fit`)	✓	✓	Text box fitting
Text Width (`txt-width`)	✓	✓	Constrained text box width
Text X / Y Position	✓	✓	Absolute or directional positioning
Text Leading (`txt-lead`)	✓	✓	Line height in pixels
Text Tracking (`txt-track`)	✓	✓	Letter spacing in pixels
Typesetting Endpoint	✓	✓	/~text.json returns text metrics JSON

Watermark

Image overlay / watermark compositing.

Feature	imgix	Image Foundry	Notes
Watermark Image URL (`mark`)	✓	✓	wmk-path
Watermark Width (`mark-w`)	✓	✓	wmk-width
Watermark Height (`mark-h`)	✓	✓	wmk-height
Watermark Scale (`mark-scale`)	✓	✓	wmk-scale (1–100)
Watermark Alignment (`mark-align`)	✓	✓	wmk-position: 9 positions
Watermark Alpha (`mark-alpha`)	✓	✓	wmk-opacity
Watermark Padding (`mark-pad`)	✓	✓	wmk-pad
Watermark Fit Mode (`mark-fit`)	✓	✓	clip, crop, scale, max, min
Watermark Base URL (`mark-base`)	✓	✓	Prefix for mark path
Watermark Rotation (`mark-rot`)	✓	✓	0–359 degree rotation
Watermark Tile (`mark-tile`)	✓	✓	Repeating watermark across image
Watermark X / Y Position	✓	✓	Absolute or directional positioning
Watermark if Min Width / Height	✓	✓	Conditional watermark based on image size

Blending

Image compositing with blend modes, colour overlays, and alpha control.

Feature	imgix	Image Foundry	Notes
Blend Image (`blend`)	✓	✓	Composite another image via `blend-img`
Blend Mode (`blend-mode`)	✓	✓	multiply, screen, overlay, darken, lighten, etc.
Blend Alpha (`blend-alpha`)	✓	✓	0–100 opacity
Blend Align (`blend-align`)	✓	✓	center, top, bottom, left, right, etc.
Blend Color (`blend-color`)	✓	✓	Hex colour overlay
Blend Crop / Fit / Size	✓	✓	blend-fit, blend-size (inherit, %)
Blend Width / Height	✓	✓	blend-w, blend-h
Blend X / Y Position	✓	✓	blend-x, blend-y
Blend Padding	✓	✓	blend-pad

Face Detection

Face-aware cropping and privacy features. Uses TensorFlow.js face-api for ML-based detection.

Feature	imgix	Image Foundry	Notes
Face-Aware Crop (`crop=faces`)	✓	✓	cover:face mode with real ML detection
Face Index (`faceindex`)	✓	✓	Focus on specific face (0-based index)
Face Padding (`facepad`)	✓	✓	Expand face region by ratio (1.0–2.0+)
Face Blur (`faceblur`)	✓	✓	Blur detected faces (sigma value)
Face Pixelation (`facepixel`)	✓	✓	Pixelate detected faces (block size)
JSON Face Data (`faces`)	✓	✓	`/~faces.json` endpoint with bounding boxes

Background (AI)

AI-powered background removal and replacement.

Feature	imgix	Image Foundry	Notes
Background Removal	✓	✓	`bg-remove=1`
Background Removal Add Shadow	✓	✓	`bg-remove-shadow=1`
Background Removal Fallback	✓	✓	`bg-remove-fallback=blur\|color\|none`
Background Removal Foreground Type	✓	✓	`bg-remove-foreground=person\|auto`
Background Removal Semi-Transparency	✓	✓	`bg-remove-threshold`
Background Replacement	✓	✓	`bg-remove-color=hex`
Background Replacement Prompt	✓	✗	Generative AI not supported
Background Replacement Negative Prompt	✓	✗	Generative AI not supported

Rotation

Image rotation and flipping.

Feature	imgix	Image Foundry	Notes
Rotation (`rot`)	✓	✓	0–359 degrees
Flip Axis (`flip`)	✓	✓	h, v, hv
Orientation (`orient`)	✓	✓	Auto-rotate via EXIF
Rotation Type	✓	✓	Inner rotation (crop corners) or standard

Border & Padding

Borders, padding, and corner radius.

Feature	imgix	Image Foundry	Notes
Border Size & Color (`border`)	✓	✓	size,color format via extend
Border Top / Bottom / Left / Right	✓	✓	Per-side border via extend
Border Stroke Color / Size	✓	✓	Via border size,color format
Inner / Outer Border Radius	✓	✓	SVG mask-based rounding
Padding (`pad`)	✓	✓	Uniform or per-side padding via extend
Padding Top / Bottom / Left / Right	✓	✓	Per-side padding

Trim

Automatic border/edge trimming.

Feature	imgix	Image Foundry	Notes
Trim Image (`trim`)	✓	✓	auto and color modes
Trim Color (`trim-color`)	✓	✓	Specify trim reference colour
Trim Mean Difference (`trim-md`)	✓	✓	Mapped to trim threshold
Trim Standard Deviation (`trim-sd`)	✓	✓	Mapped to trim threshold
Trim Tolerance (`trim-tol`)	✓	✓	Custom threshold value
Trim Padding (`trim-pad`)	✓	✓	Re-add padding after trim
Trim Alpha	✓	✓	Trim transparent edges via threshold

Noise Reduction & Mask

Noise reduction and image masking.

Feature	imgix	Image Foundry	Notes
Noise Reduction (`nr`)	✓	✓	Median filter (0–100)
Noise Reduction Bound (`nrs`)	✓	✓	Post-NR sharpening parameter
Noise Reduction Sharpen	✓	✓	Sharpen after noise reduction
Mask Type (`mask`)	✓	✓	ellipse, corners
Mask Corner Radius	✓	✓	SVG rounded rect mask
Mask Background Color	✓	✓	Flatten with specified background

Animation

Animated GIF/WebP processing and video-related features.

Feature	imgix	Image Foundry	Notes
Animated GIF/WebP Processing	✓	✓	animation:true option
Animated Loop Count	✓	✗
Frame Interval	✓	✗
Frame Selection	✓	✗
Frame Skip	✓	✗
Frames Per Second	✓	✗
Reverse Animation	✓	✗

PDF

PDF rendering to image.

Feature	imgix	Image Foundry	Notes
PDF Page Selection (`page`)	✓	✓	1-based page index

Color Palette

Extract dominant colours from images.

Feature	imgix	Image Foundry	Notes
Palette Extraction (`palette`)	✓	✓	JSON/CSS output
Palette Color Count (`colors`)	✓	✓	1–16 colours
CSS Prefix (`prefix`)	✓	✓

Generative AI

AI-powered image generation and manipulation.

Feature	imgix	Image Foundry
Text to Image	✓	✗
Text to Image Seed	✓	✗
Object Removal	✓	✗
Object Removal Prompt	✓	✗
Object Removal Negative Prompt	✓	✗
Object Removal Seed	✓	✗
License Plate Blur	✓	✗
Super Resolution / Upscale	✓	✗
Upscale Fallback	✓	✗

URL Expiration

Time-limited URLs.

Feature	imgix	Image Foundry	Notes
Expiration Timestamp (`expires`)	✓	✓	Unix timestamp

Video API

Video processing, transcoding, and thumbnails.

Feature	imgix	Image Foundry	Notes
Video Processing (clip, encode, transcode)	✓	✗	Full video pipeline
Video Thumbnails	✓	✗
Video Preview / GIF generation	✓	✗
Image to Video (motion)	✓	✗
Video Watermark	✓	✗
Long-Form Video / HLS / DASH	✓	✗

Platform & Infrastructure

Deployment model, CDN, API, and operational features.

Feature	imgix	Image Foundry	Notes
Global CDN	✓	✓	Cloudflare CDN integration
Custom Domains	✓	✓	CNAME + auto SSL
Signed URLs (HMAC)	✓	✓	HMAC SHA-256
S3 Sources	✓	✓
GCS Sources	✓	✓
Azure Blob Sources	✓	✓
Web Proxy Sources	✓	✓
Filesystem Sources	✗	✓	Self-hosted only
Query-Param URL Style	✓	✓	Full imgix compatibility mode
Path-Based URL Style	✗	✓	ImageBoss compatibility mode
Management API	✓	✓	Full REST API for sources, tenants
Dashboard	✓	✓
Cache Purge API	✓	✓
Usage Analytics / Reports	✓	✓
Base64 Parameter Encoding	✓	✓	Use `64=1` to decode base64-encoded params
Open Source / Self-Hosted	✗	✓	MIT license, run on your infra
No Vendor Lock-in	✗	✓	Your servers, your data