How to add text and images to PDF in JavaScript using PDF.co Web API
What is PDF.co Web API? It 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 path = require("path"); var fs = require("fs"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Direct URL of source PDF file. const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-edit/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 = ""; // Destination PDF file name const DestinationFile = "./result.pdf"; // Text annotation params const Type = "annotation"; const X = 400; const Y = 600; const Text = "APPROVED"; const FontName = "Times New Roman"; const FontSize = 24; const Color = "FF0000"; // * Add Text * // Prepare request to `PDF Edit` API endpoint var queryPath = `/v1/pdf/edit/add`; // JSON payload for api request var jsonPayload = JSON.stringify({ name: path.basename(DestinationFile), password: Password, pages: Pages, url: SourceFileUrl, type: Type, x: X, y: Y, text: Text, fontname: FontName, size: FontSize, color: Color }); var reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), headers: { "x-api-key": API_KEY } }; // 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 the output file var file = fs.createWriteStream(DestinationFile); https.get(data.url, (response2) => { response2.pipe(file).on("close", () => { console.log(`Generated PDF file saved to '${DestinationFile}' file.`); }); }); } 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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ON-DEMAND REST WEB API
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printable version:
PDF-co-Web-API-JavaScript-Add-Text-to-Existing-PDF-(Node-js).pdf
PDF-co-Web-API-JavaScript-Add-Text-to-Existing-PDF-(Node-js).pdf