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Ihsan Rakhman neutrixs

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neutrixs / exr_to_ultrahdr.js

Last active October 4, 2025 13:10

Convert your EXR + tonemapped jpg to google's ultra HDR format that instagram accepts

	// vibe coded. it works tho, so don't ask me

	import puppeteer from 'puppeteer';
	import { promises as fs } from 'fs';
	import http from 'http';
	import path from 'path';

	async function createUltraHDR(hdrPath, sdrPath, outputPath) {
	console.log('Starting local file server...');