PDF to image API in JavaScript with PDF.co Web API

PDF.co Web API is the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

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app.js

      
var https = require("https"); var fs = require("fs"); /* The following options are available through profiles: (JSON can be single/double-quoted and contain comments.) { "profiles": [ { "profile1": { "TextSmoothingMode": "HighQuality", // Valid values: "HighSpeed", "HighQuality" "VectorSmoothingMode": "HighQuality", // Valid values: "HighSpeed", "HighQuality" "ImageInterpolationMode": "HighQuality", // Valid values: "HighSpeed", "HighQuality" "RenderTextObjects": true, // Valid values: true, false "RenderVectorObjects": true, // Valid values: true, false "RenderImageObjects": true, // Valid values: true, false "RenderCurveVectorObjects": true, // Valid values: true, false "JPEGQuality": 85, // from 0 (lowest) to 100 (highest) "TIFFCompression": "LZW", // Valid values: "None", "LZW", "CCITT3", "CCITT4", "RLE" "RotateFlipType": "RotateNoneFlipNone", // RotateFlipType enum values from here: https://docs.microsoft.com/en-us/dotnet/api/system.drawing.rotatefliptype?view=netframework-2.0 "ImageBitsPerPixel": "BPP24", // Valid values: "BPP1", "BPP8", "BPP24", "BPP32" "OneBitConversionAlgorithm": "OtsuThreshold", // Valid values: "OtsuThreshold", "BayerOrderedDithering" "FontHintingMode": "Default", // Valid values: "Default", "Stronger" "NightMode": false // Valid values: true, false } } ] } */ // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Source PDF file const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-image/sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const Pages = ""; // PDF document password. Leave empty for unprotected documents. const Password = ""; // Advanced options const Profiles = "{ 'profiles': [ { 'profile1': { 'ImageBitsPerPixel': 'BPP1' } } ] }" // Prepare request to `PDF To PNG` API endpoint var queryPath = `/v1/pdf/convert/to/png`; // JSON payload for api request var jsonPayload = JSON.stringify({ password: Password, pages: Pages, url: SourceFileUrl, profiles: Profiles }); var reqOptions = { host: "api.pdf.co", method: "POST", path: queryPath, headers: { "x-api-key": API_KEY, "Content-Type": "application/json", "Content-Length": Buffer.byteLength(jsonPayload, 'utf8') } }; // Send request var postRequest = https.request(reqOptions, (response) => { response.on("data", (d) => { // Parse JSON response var data = JSON.parse(d); if (data.error == false) { // Download generated PNG files var page = 1; data.urls.forEach((url) => { var localFileName = `./page${page}.jpg`; var file = fs.createWriteStream(localFileName); https.get(url, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated JPEG file saved as "${localFileName}" file.`); }); }); page++; }, this); } else { // Service reported error console.log(data.message); } }); }).on("error", (e) => { // Request error console.error(e); }); // Write request data postRequest.write(jsonPayload); postRequest.end();

package.json

      
{ "name": "test", "version": "1.0.0", "description": "PDF.co", "main": "app.js", "scripts": { }, "keywords": [ "pdf.co", "web", "api", "bytescout", "api" ], "author": "ByteScout & PDF.co", "license": "ISC", "dependencies": { "request": "^2.88.2" } }

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