Skills compress-image-for-email
Resize, sharpen, and compress an image to fit email platform size limits in a single pipeline.
install
source · Clone the upstream repo
git clone https://github.com/iterationlayer/skills
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/iterationlayer/skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/compress-image-for-email" ~/.claude/skills/iterationlayer-skills-compress-image-for-email && rm -rf "$T"
manifest:
skills/compress-image-for-email/SKILL.mdsource content
Compress Image for Email
Marketing teams and email platforms use this recipe to prepare images for email campaigns. Resize to email-friendly dimensions, sharpen after downscale, convert to JPEG for universal client support, and compress to a target file size — all in one API call.
APIs Used
Image Transformation (1 credits/request)
Prerequisites
You need an Iteration Layer API key. Get one at platform.iterationlayer.com — free trial credits included, no credit card required.
For full integration guidance (SDKs, auth, MCP, error handling), see the Iteration Layer Integration Guide.
Implementation
curl -X POST \ https://api.iterationlayer.com/image-transformation/v1/transform \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "file": { "type": "url", "name": "hero.jpg", "url": "https://cdn.example.com/campaign/hero.jpg" }, "operations": [ { "type": "resize", "width_in_px": 1200, "height_in_px": 900, "fit": "inside" }, { "type": "sharpen", "sigma": 0.5 }, { "type": "convert", "format": "jpeg", "quality": 85 }, { "type": "compress_to_size", "max_file_size_in_bytes": 500000 } ] }'
import { IterationLayer } from "iterationlayer"; const client = new IterationLayer({ apiKey: "YOUR_API_KEY" }); const result = await client.transform({ file: { type: "url", name: "hero.jpg", url: "https://cdn.example.com/campaign/hero.jpg", }, operations: [ { type: "resize", width_in_px: 1200, height_in_px: 900, fit: "inside", }, { type: "sharpen", sigma: 0.5, }, { type: "convert", format: "jpeg", quality: 85, }, { type: "compress_to_size", max_file_size_in_bytes: 500_000, }, ], });
from iterationlayer import IterationLayer client = IterationLayer(api_key="YOUR_API_KEY") result = client.transform( file={ "type": "url", "name": "hero.jpg", "url": "https://cdn.example.com/campaign/hero.jpg", }, operations=[ { "type": "resize", "width_in_px": 1200, "height_in_px": 900, "fit": "inside", }, { "type": "sharpen", "sigma": 0.5, }, { "type": "convert", "format": "jpeg", "quality": 85, }, { "type": "compress_to_size", "max_file_size_in_bytes": 500_000, }, ], )
package main import il "github.com/iterationlayer/sdk-go" func main() { client := il.NewClient("YOUR_API_KEY") result, err := client.Transform(il.TransformRequest{ File: il.NewFileFromURL( "hero.jpg", "https://cdn.example.com/campaign/hero.jpg", ), Operations: []il.TransformOperation{ il.NewResizeOperation(1200, 900, "inside"), il.NewSharpenOperation(0.5), il.NewConvertOperation("jpeg"), il.NewCompressToSizeOperation(500_000), }, }) if err != nil { panic(err) } }
{ "name": "Compress Image for Email", "nodes": [ { "parameters": { "content": "## Compress Image for Email\n\nMarketing teams and email platforms use this recipe to prepare images for email campaigns. Resize to email-friendly dimensions, sharpen after downscale, convert to JPEG for universal client support, and compress to a target file size \u2014 all in one API call.\n\n**Note:** This workflow uses the Iteration Layer community node (`n8n-nodes-iterationlayer`). Install it via Settings > Community Nodes before importing. Self-hosted n8n only.", "height": 280, "width": 500, "color": 2 }, "type": "n8n-nodes-base.stickyNote", "typeVersion": 1, "position": [ 200, 40 ], "id": "0cacbc50-e82b-4267-939f-1266511f7288", "name": "Overview" }, { "parameters": { "content": "### Step 1: Transform Image\nResource: **Image Transformation**\n\nConfigure the Image Transformation parameters below, then connect your credentials.", "height": 160, "width": 300, "color": 6 }, "type": "n8n-nodes-base.stickyNote", "typeVersion": 1, "position": [ 475, 100 ], "id": "d28f15fd-7c4d-465e-bbea-0de2c9d5561d", "name": "Step 1 Note" }, { "parameters": {}, "type": "n8n-nodes-base.manualTrigger", "typeVersion": 1, "position": [ 250, 300 ], "id": "a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d", "name": "Manual Trigger" }, { "parameters": { "resource": "imageTransformation", "fileInputMode": "url", "fileName": "hero.jpg", "fileUrl": "https://cdn.example.com/campaign/hero.jpg", "operations": { "operationValues": [ { "operationType": "resize", "widthInPx": 1200, "heightInPx": 900, "fit": "inside" }, { "operationType": "sharpen", "sigma": 0.5 }, { "operationType": "convert", "convertFormat": "jpeg", "quality": 85 }, { "operationType": "compress_to_size", "maxFileSizeInBytes": 500000 } ] } }, "type": "n8n-nodes-iterationlayer.iterationLayer", "typeVersion": 1, "position": [ 500, 300 ], "id": "d4e5f6a7-b8c9-4d0e-1f2a-3b4c5d6e7f8a", "name": "Transform Image", "credentials": { "iterationLayerApi": { "id": "1", "name": "Iteration Layer API" } } } ], "connections": { "Manual Trigger": { "main": [ [ { "node": "Transform Image", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1" } }
Compress the image at [file URL] for email. Use the transform_image tool with a resize operation to [width]x[height] pixels (fit: inside), a sharpen operation, a convert operation to JPEG, and a compress_to_size operation with a max file size of [max file size in bytes] bytes.
Response
{ "success": true, "data": { "buffer": "/9j/4AAQSkZJRgABAQAAAQ...", "mime_type": "image/jpeg" } }