# File Convert Factory

> Free online image converter — 100% client-side, no uploads, no sign-up. Convert HEIC, JPG, PNG, WebP, and ICO directly in your browser. Also includes a free Text Repeater.

File Convert Factory is a browser-based file conversion suite. All image processing runs locally via WebAssembly (for HEIC) or the HTML5 Canvas API (for JPG, PNG, WebP, and ICO). Files never leave the device. The site is built with Next.js 15, React 19, and next-intl, and supports 12 locales.

## Core Tools

- [Batch HEIC to JPG](https://file-convert-factory.org/en/tools/heic-to-jpg): Convert HEIC format to JPG format
- [Batch HEIC to PNG](https://file-convert-factory.org/en/tools/heic-to-png): Convert HEIC format to PNG format
- [Batch HEIC to WebP](https://file-convert-factory.org/en/tools/heic-to-webp): Convert HEIC format to WebP format
- [Batch HEIC to ICO](https://file-convert-factory.org/en/tools/heic-to-ico): Convert HEIC to Windows ICO favicon icons
- [Batch JPG to PNG](https://file-convert-factory.org/en/tools/jpg-to-png): Convert JPG to transparent PNG in your browser
- [Batch JPG to WebP](https://file-convert-factory.org/en/tools/jpg-to-webp): Convert JPG to smaller WebP for the web
- [Batch JPG to ICO](https://file-convert-factory.org/en/tools/jpg-to-ico): Convert JPG to Windows ICO favicon icons
- [Batch WebP to PNG](https://file-convert-factory.org/en/tools/webp-to-png): Convert WebP to transparent PNG in your browser
- [Batch WebP to JPG](https://file-convert-factory.org/en/tools/webp-to-jpg): Convert WebP to JPG with adjustable quality
- [Batch WebP to ICO](https://file-convert-factory.org/en/tools/webp-to-ico): Convert WebP to Windows ICO favicon icons
- [Batch PNG to JPG](https://file-convert-factory.org/en/tools/png-to-jpg): Convert PNG to JPG with adjustable quality
- [Batch PNG to WebP](https://file-convert-factory.org/en/tools/png-to-webp): Convert PNG to smaller WebP for the web
- [Batch PNG to ICO](https://file-convert-factory.org/en/tools/png-to-ico): Convert PNG to Windows ICO favicon icons
- [Batch BMP to JPG](https://file-convert-factory.org/en/tools/bmp-to-jpg): Convert BMP images to smaller JPG files in your browser
- [Batch BMP to PNG](https://file-convert-factory.org/en/tools/bmp-to-png): Convert BMP images to lossless PNG in your browser
- [Batch BMP to WebP](https://file-convert-factory.org/en/tools/bmp-to-webp): Convert BMP images to smaller WebP files in your browser
- [Batch BMP to ICO](https://file-convert-factory.org/en/tools/bmp-to-ico): Convert BMP images to Windows ICO icons in your browser
- [Batch ICO to JPG](https://file-convert-factory.org/en/tools/ico-to-jpg): Convert ICO icons to JPG images in your browser
- [Batch ICO to PNG](https://file-convert-factory.org/en/tools/ico-to-png): Convert ICO icons to PNG images in your browser
- [Batch Image to TXT](https://file-convert-factory.org/en/tools/image-to-txt): Extract text from images with OCR in your browser
- [Image Resizer](https://file-convert-factory.org/en/tools/image-resizer): Resize images in your browser
- [Text Repeater](https://file-convert-factory.org/en/tools/text-repeater): Free online text repeater. Repeat text, emojis & symbols with custom separators up to 10,000×. No signup.
- [Batch PDF to JPG](https://file-convert-factory.org/en/tools/pdf-to-jpg): Convert PDF pages to JPG images in your browser
- [Batch PDF to PNG](https://file-convert-factory.org/en/tools/pdf-to-png): Convert PDF pages to PNG images in your browser
- [Batch PDF to WebP](https://file-convert-factory.org/en/tools/pdf-to-webp): Convert PDF pages to WebP images in your browser
- [Batch PDF to Markdown](https://file-convert-factory.org/en/tools/pdf-to-markdown): Convert PDFs to editable Markdown in your browser
- [Batch Markdown to PDF](https://file-convert-factory.org/en/tools/markdown-to-pdf): Convert Markdown files to PDF documents in your browser

## Blog

- [HEIC to WebP: The Modern Format for Web Developers](https://file-convert-factory.org/en/blog/heic-to-webp-guide): WebP gives you modern compression without the compatibility baggage of HEIC, and almost every browser has supported it for years. This guide shows how to convert HEIC files to WebP for the web, what the size comparison looks like, and how to build it into a pipeline.
- [HEIC File Too Large? How to Compress iPhone Photos](https://file-convert-factory.org/en/blog/compress-heic-files): HEIC is already the compressed format, so a photo that is still too large needs one of three moves: lower the quality, reduce the resolution, or strip the metadata. This tutorial covers each one and what it costs.
- [How to Convert HEIC to JPG Without Losing Quality](https://file-convert-factory.org/en/blog/convert-heic-to-jpg-without-losing-quality): Converting HEIC to JPG is lossy by definition, but at the right settings the loss stays invisible. This tutorial covers the quality settings that matter, one-shot conversion, and the mistakes that actually cost detail.
- [HEIC vs PNG: When to Use Which Format](https://file-convert-factory.org/en/blog/heic-vs-png): PNG is lossless and handles transparency; HEIC is a compressed photo format roughly half the size of JPEG. They answer different jobs, so which one is better depends on what you are making. This guide sorts it out.
- [HEIC vs JPG Quality: Does Converting Lose Detail? (With Examples)](https://file-convert-factory.org/en/blog/heic-vs-jpg-quality): Converting HEIC to JPG does lose data, because JPG cannot hold everything HEIC can. Here is what survives a high-quality conversion, what shows up first when quality drops, and how to convert without visible loss.
- [HEIC to PDF: How to Put iPhone Photos into a Document](https://file-convert-factory.org/en/blog/heic-to-pdf): Turning iPhone photos into a PDF is a two-step job: the photos are HEIC, and PDF tools expect JPG or PNG. Convert the HEIC files to JPG first, then drop them into a PDF. This guide walks through the whole flow and keeps the files on your own device.
- [How to Convert HEIC to JPG for eBay / Etsy / Shopify Product Photos](https://file-convert-factory.org/en/blog/heic-to-jpg-for-ecommerce): Listing products online is hard enough without the photo upload failing. eBay, Etsy, and Shopify all prefer JPG, and many reject HEIC outright. Convert your product photos to JPG before listing and the uploads go through the first time, for every image in your catalog.
- [How to Upload HEIC to Google Drive / Dropbox as JPG](https://file-convert-factory.org/en/blog/how-to-upload-heic-to-google-drive): Cloud storage will hold your HEIC files, but previewing them is hit or miss — Google Drive and Dropbox often show a blank thumbnail or demand a download. Converting HEIC to JPG before you upload makes every file viewable right in the browser, for you and anyone you share it with.
- [HEIC to JPG for Printing: Why Your Prints Look Wrong and How to Fix It](https://file-convert-factory.org/en/blog/heic-to-jpg-for-printing): A photo that looks great on your iPhone can come back from the print shop blurry, cropped, or rejected outright because it is HEIC. Print systems expect JPG. Convert your HEIC photos to JPG before ordering, and the prints match what you saw on screen.
- [How to Email HEIC Photos (So the Recipient Can Actually Open Them)](https://file-convert-factory.org/en/blog/how-to-email-heic-photos): Emailing HEIC photos straight from your iPhone usually means the other person gets a file they cannot open. The fix is to convert to JPG before you hit send. Here is the quickest way to do it, on your phone or at your desk, without uploading anything.
- [How to View HEIC Files on Linux / Ubuntu](https://file-convert-factory.org/en/blog/how-to-view-heic-files-on-linux): Linux desktops often can't open HEIC files out of the box. Here's how to fix it: install libheif for heif-convert, grab a viewer with HEIC support, or convert in the browser. Covers Ubuntu, Debian, Fedora, and Arch.
- [How to Stop iPhone from Taking HEIC Photos (and Switch Back to JPEG)](https://file-convert-factory.org/en/blog/how-to-stop-iphone-from-taking-heic-photos): Your iPhone saves photos as HEIC by default, which trips up Windows, Android, and many websites. Flip one setting under Camera > Formats to take JPEG instead, and convert the HEIC files you already have.
- [How to Open HEIC Files on Android: 3 Methods That Actually Work](https://file-convert-factory.org/en/blog/how-to-open-heic-files-on-android): An iPhone photo lands on your Android and shows a blank tile. Here's how to open HEIC on Android: Google Photos handles it on Android 9+, and on older devices a quick convert to JPG solves it. Three methods, all free.
- [How to Convert HEIC to JPG on Mac: The Built-in Way vs Online](https://file-convert-factory.org/en/blog/how-to-convert-heic-to-jpg-on-mac): Your Mac opens HEIC fine, but the file type trips up other people and websites. Convert to JPG with Preview for a single photo, or use a browser converter for a whole batch. Both free, no installs.
- [How to Convert HEIC to JPG on Windows (No Software)](https://file-convert-factory.org/en/blog/how-to-convert-heic-to-jpg-on-windows): Windows can't open HEIC photos out of the box. Here's how to fix it: install the free HEIF Image Extensions from Microsoft, or convert straight in a browser with our tool, no software required.
- [HEIC Format Complete Guide: What iPhone Users Need to Know](https://file-convert-factory.org/en/blog/heic-complete-guide): HEIC is Apple's default photo format since iOS 11. It saves storage but breaks on older devices, most browsers, and many apps. Here is what you can do about it, from changing camera settings to batch conversion.
- [Browser-Based File Conversion: How It Works and Why Your Files Stay Private](https://file-convert-factory.org/en/blog/browser-based-conversion-security): Server-based converters require you to upload files to someone else's machine. Browser-based converters run entirely on your device using WebAssembly and platform APIs. Here is the architecture that makes that possible and what it means for privacy.
- [How to Batch Convert Images Online Without Installing Software](https://file-convert-factory.org/en/blog/batch-conversion-tutorial): Batch converting images means processing dozens or hundreds of files at once. Here is how browser-based tools pull this off without a server, which formats support batch workflows, and what actually happens to your files during conversion.
- [OCR Under the Hood: How Computers Learn to Read Text from Images](https://file-convert-factory.org/en/blog/ocr-technology-deep-dive): To a computer, a photo of a document is just a grid of colored pixels. Turning those pixels into searchable, editable text requires a pipeline spanning image preprocessing, layout analysis, and character recognition — each step with its own decades of research. This guide walks through OCR from Otsu's binarization to Vision Transformers.
- [Choosing Web Image Formats in 2026: JPEG's Empire, AVIF's Rise, and JPEG XL's Exile](https://file-convert-factory.org/en/blog/web-image-formats-guide): One photo exported six ways spans 24 MB to 1.7 MB, and that gap is the whole argument. JPEG still rules the web it was built for in 1992, WebP is the safe default, AVIF is the rising replacement, JPEG XL deserved better, and HEIC was never a candidate. This guide compares all eight formats with verified mid-2026 browser support and Web Almanac usage data, then ends with a decision table.
- [EXIF Metadata: A Technical Guide to the Privacy Leak in Your Photos](https://file-convert-factory.org/en/blog/exif-metadata-privacy-guide): Every photo from a phone or camera carries a second file inside it: shooting settings, timestamps, serial numbers, and often GPS coordinates. Here is the byte-level structure of EXIF, how to inspect it, how it exposes you, and how format conversion wipes it.
- [Lossy vs Lossless: Why Image Formats Forget on Purpose](https://file-convert-factory.org/en/blog/lossy-vs-lossless-compression): Lossless compression repacks data without changing it; lossy compression changes the data first, then packs it. That single decision explains why a photo compresses 10:1 as JPEG but barely 2:1 as PNG, why JPEG was built lossy in 1992, why PNG was built lossless in 1995, and why every modern codec now ships both modes.
- [The birth of Markdown: why plain text won the web](https://file-convert-factory.org/en/blog/birth-of-markdown): Markdown started as a writing shortcut for web publishers. Two decades later it powers GitHub READMEs, static sites, note-taking apps, and most LLM outputs. This post traces its origins, compares it with HTML and rich document formats, weighs its real trade-offs, and looks at the tools and libraries that keep it alive across platforms and programming languages.
- [Markdown cheatsheet: a fast, practical tutorial](https://file-convert-factory.org/en/blog/markdown-cheatsheet): Markdown looks simple until you need a table, a footnote, or a strikethrough that renders the same everywhere. This post covers the core syntax, the main standards, practical examples, advanced tricks, and a printable cheatsheet. It also points to the browser-based Markdown to PDF and PDF to Markdown converters when you need to move between formats.
- [How to convert PDF pages to images: a practical guide](https://file-convert-factory.org/en/blog/convert-pdf-to-images): PDF pages don't always fit where you need them. This guide covers when to convert PDF to images, the trade-offs of each approach, native OS methods, and code examples in five languages.
- [A short history of PDF: why the document format won](https://file-convert-factory.org/en/blog/history-of-pdf): PDF solved a simple problem: a document should look the same on every device. This post traces the format from John Warnock's 1991 Camelot Project to ISO 32000, explains why it beat rival formats, and covers the strengths, weaknesses, and future of the Portable Document Format.
- [How to convert BMP to JPG, PNG, and WebP: a practical guide](https://file-convert-factory.org/en/blog/bmp-conversion-guide): BMP is easy to read but bulky to store. This guide covers native OS tools, command-line workflows, and code examples in five languages for converting BMP to JPG, PNG, or WebP.
- [BMP format explained: Windows' simplest image format](https://file-convert-factory.org/en/blog/bmp-format-deep-dive): BMP has been part of Windows since 1990. It stores raw pixels with minimal headers, no compression, and no alpha. This post covers the format from the 14-byte BITMAPFILEHEADER to the places it still shows up, like embedded systems and medical imaging.
- [WebAssembly explained: what it fixes and where it falls short](https://file-convert-factory.org/en/blog/webassembly-explained): WebAssembly is not a replacement for JavaScript. It is a compact binary instruction format that lets browsers run code compiled from C, C++, Rust, and other languages at near-native speed. This post covers the limitations of pure web apps, what WebAssembly solves, its trade-offs, common use cases, and why client-side HEIC conversion depends on it.
- [ICO Format Decoded: Structure, Headers, and Why It Survived](https://file-convert-factory.org/en/blog/ico-format-deep-dive): ICO is a container, not an image codec. Invented for Windows 1.0 in 1985, it stores multiple resolutions of the same icon in one file so the OS can pick the right size at runtime. Here is the complete technical breakdown — from the six-byte header to why SVG favicons still have not killed it off.
- [The Birth of WebP: How VP8 Became an Image Format](https://file-convert-factory.org/en/blog/birth-of-webp): WebP is a RIFF-based container wrapping VP8 video frames for still images. Google announced it in 2010 with bold claims of 25-34% smaller files than JPEG and PNG. Here is the full technical story — from the file signature to the real-world adoption gap.
- [The Birth of PNG: How a Patent War Created the Web's Favorite Lossless Format](https://file-convert-factory.org/en/blog/birth-of-png): PNG was born from a GIF patent crisis in 1995. Built by volunteers in four months, it replaced GIF for static images by combining filter preprocessing with DEFLATE compression. Here is the full technical story — from the Unisys lawsuit to the file signature you can read in a hex editor.
- [The Secret Life of JPEG: How a 1992 Format Took Over the Internet](https://file-convert-factory.org/en/blog/history-of-jpg): JPEG is not magic. It is a pipeline of discrete cosine transforms, quantization tables, and chroma subsampling that throws away data your eyes were unlikely to notice. Thirty-three years later, it still dominates for one reason: everything opens it.
- [What Is HEIC? A Technical Deep Dive into File Signatures, Detection, and Conversion](https://file-convert-factory.org/en/blog/what-is-heic): HEIC is not just a smaller JPEG. It is a container format based on ISO Base Media File Format with HEVC-encoded images inside. Here is how it works, how to detect it by reading raw bytes, and how to convert it when compatibility fails.

## Legal & Information

- [Privacy Policy](https://file-convert-factory.org/en/privacy): All processing happens locally in the browser; no uploads, no server access, no data collection.
- [Terms of Service](https://file-convert-factory.org/en/terms): Free browser-based service with no account required.
- [Sitemap](https://file-convert-factory.org/sitemap.xml): Complete URL inventory for all supported locales.
- [Agents.txt](https://file-convert-factory.org/agents.txt): Agent capability declaration — read-only site, no API or MCP.

## Optional

These resources can be skipped if a shorter context is needed.

- Homepage translations: [en](https://file-convert-factory.org/en/), [de](https://file-convert-factory.org/de/), [es](https://file-convert-factory.org/es/), [fr](https://file-convert-factory.org/fr/), [hi](https://file-convert-factory.org/hi/), [it](https://file-convert-factory.org/it/), [ja](https://file-convert-factory.org/ja/), [ko](https://file-convert-factory.org/ko/), [pt](https://file-convert-factory.org/pt/), [ru](https://file-convert-factory.org/ru/), [zh-Hans](https://file-convert-factory.org/zh-Hans/), [zh-Hant](https://file-convert-factory.org/zh-Hant/)
- [RSS Feed](https://file-convert-factory.org/en/feed.xml): Latest blog posts and updates.
- [LLMs Full Export](https://file-convert-factory.org/llms-full.txt): Complete content export of tools, FAQs, blog posts, and legal pages.