Private file tools that start instantly

Convert PDFs, images, audio, video, DOCX, ZIP, JSON, CSV, XLSX, HEIC, AVIF, SVG, MP3, WAV, FLAC, AAC, M4A, MP4, MOV, WebM, XML, TSV, GPX, KML, and more right in your browser. Your files stay on your device, so it feels faster, safer, and easier to trust.

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⚡ No uploads 🔒 Local processing 🙅 No accounts 📶 Offline-friendly

Quick Launch

📄 PDF Merge, split, compress 🖼 Images PNG, JPG, WebP tools 🎧 Audio MP3 and WAV tools 🎬 Video Convert and compress 📊 Data CSV, XLSX, GPS data 🗂 ZIP Extract and repackage
No Uploads Your file stays on your device
Fast Start Open a tool in one click
No Sign-in Use tools without accounts
Cyber UI Built for speed and clarity

Our Story

We created FileConverter.run because most converter websites force you to upload your files to their servers. That can be slow, risky, and often ends with watermarks, limits, or surprise paywalls.

FileConverter.run is different. Our tools run completely on your device using secure in-browser processing. Whether you’re working with PDFs, images, audio, video, spreadsheets, or code files, your data always stays with you.

Our mission is simple: powerful tools, instant results, total privacy — free for everyone.

How It Works

  1. Open any tool – the app loads directly in your browser.
  2. Pick your file – conversion and editing happen locally on your device.
  3. Download instantly – your file is never sent to our servers.

This approach gives you:

  • ⚡ Fast performance powered by modern browser tech
  • 🛡 True privacy – no file uploads, no server storage
  • ✅ No accounts or logins required
  • 📶 Offline-friendly use once a tool is loaded

Who Uses FileConverter.run

  • Students & educators: Merge PDFs, convert documents, compress images, and prepare assignments quickly.
  • Creators & designers: Resize images, remove backgrounds, normalize audio, and prep content for social media.
  • Businesses & professionals: Securely convert contracts, reports, spreadsheets, and presentations without uploading sensitive data.
  • Developers & analysts: Convert JSON ⇄ CSV ⇄ XLSX right in the browser for faster data workflows.
  • Everyday users: Fix common file issues without installing software or risking privacy.

Why FileConverter.run Is Different

FileConverter.run

  • ✅ 100% local processing – files never leave your device
  • ✅ No accounts, logins, or email required
  • ✅ No watermarks or hidden limits
  • ✅ Many tools work even after you go offline
  • ✅ Fast, modern, browser-based tools

Upload-Based Sites

  • ⚠️ Files stored on remote servers
  • ⚠️ Potential privacy and security risks
  • ⚠️ Slow queues and download gates
  • ⚠️ Watermarks or paywalls after a few uses
  • ⚠️ Requires sign-up or personal information

FAQ

Do my files ever leave my computer?
No. All conversions and edits happen directly in your browser. We never receive, store, or access your files.

Is FileConverter.run free?
Yes. Our tools are free for personal and commercial use. Privacy-respecting ads help keep the platform online.

Do you track or profile users?
No. We don’t require accounts, sign-ins, or file uploads. You can control optional analytics and ads via our cookie settings.

What file types do you support?
We support images like PNG, JPG, WebP, HEIC, AVIF, SVG, BMP, and GIF; audio like MP3, WAV, OGG, AAC, FLAC, M4A, and Opus; video like MP4, WebM, MOV, MKV, and AVI; documents like PDF and DOCX; data formats like CSV, TSV, JSON, XML, XLSX, GPX, KML, and TCX; plus ZIP workflows and more.

Will more tools be added?
Yes. We’re actively adding new converters, editors, and utilities — including advanced file repair tools and browser-based “cyber” utilities.

Most Popular Tools

  • 📄 PDF tools: merge, split, compress, and reorder pages.
  • 🖼 Image converter: PNG, JPG, WebP, HEIC, AVIF, BMP, GIF, and SVG workflows with resize options.
  • 🎧 Audio converter: MP3, WAV, OGG, AAC, FLAC, M4A, and Opus conversion plus audio extraction.
  • 🎬 Video tools: convert MP4, WebM, MOV, MKV, AVI, GIF, and audio-only exports locally.
  • 🧼 Background remover: prep clean assets for thumbnails and posts.
  • 📊 Data tools: JSON, CSV, TSV, XML, XLSX, GPX, KML, and TCX cleanup from one dashboard.
  • 🗂 ZIP & archive tools: extract or repackage files in-browser.

Every tool runs locally in your browser, so your original and converted files stay completely private.

Your Privacy Matters

FileConverter.run is built around privacy by design. Our tools use client-side processing, which means:

  • 🔒 No file uploads to our servers
  • 🗄 No server-side storage of your documents or media
  • 🙅 No required sign-ups or personal accounts
  • ⚙️ Cookie control – you decide whether to enable analytics and ads

For full details, see our Privacy Policy. We aim to be transparent, fast, and respectful of your data.

Popular Converter Pages

Use these fast converter pages to jump straight to the format you need. Every tool on FileConverter.run is built around private browser-based processing, so your files stay on your device.

PNG to JPG

Convert PNG images into smaller JPG files.

JPG to PNG

Create PNG images for graphics and transparency workflows.

PNG to WebP

Make web-friendly images with smaller file sizes.

WebP to PNG

Convert WebP to a more widely editable format.

HEIC to JPG

Turn iPhone photos into JPG files quickly.

Merge PDF

Combine PDF files into one document.

Split PDF

Break out selected pages from a PDF.

Compress PDF

Reduce file size for email and sharing.

MP4 to MP3

Extract audio from video files.

WAV to MP3

Convert large WAV files to MP3.

MOV to MP4

Convert MOV videos for wider playback support.

JSON to CSV

Prepare structured data for spreadsheets.

Why We Built FileConverter.run

FileConverter.run started with a simple frustration: most online converter websites require users to upload personal files to remote servers just to complete basic tasks. Whether someone needs to convert a PDF, resize an image, extract audio from a video, or compress a file for email, the process often becomes slower than it should be.

Many users discover file converters after running into a real problem. A PDF is too large to email. An iPhone photo saves as HEIC and will not open on another device. A WebP image works on a website but does not open correctly in an editor. A video needs to be changed to MP4 before it can be uploaded or shared. These are everyday file problems, and they should not require complicated software, account sign-ups, or unnecessary file uploads.

FileConverter.run was built to make those jobs faster and more private. Instead of depending on cloud uploads for every task, the platform uses browser-based processing whenever possible. That means your files stay on your device during the workflow, helping you keep control over personal documents, media files, business files, school assignments, and creative projects.

Built for Real Everyday File Problems

  • Reducing PDF size before sending an email attachment
  • Converting HEIC iPhone photos into JPG files
  • Changing WebP images into PNG or JPG for editing
  • Compressing images for faster websites and online stores
  • Extracting MP3 audio from MP4 video files
  • Converting MOV videos into MP4 for wider playback support
  • Preparing JSON, CSV, XML, and XLSX files for spreadsheets or data work
  • Creating or extracting ZIP files without installing extra software

The goal is simple: open the tool, choose the file, process it in the browser, and download the result. No confusing workflow, no forced account, and no waiting through upload queues when local processing can handle the job.

Browser-Based File Conversion Without Required Uploads

FileConverter.run is a privacy-first collection of browser-based file conversion tools designed to help users convert, compress, edit, and manage files without relying on traditional upload-based workflows. Many online converters send files to external servers before processing them. FileConverter.run focuses on local browser processing whenever possible, which improves privacy, reduces waiting time, and keeps the original file under the user’s control.

The platform supports common image formats such as PNG, JPG, JPEG, WebP, AVIF, HEIC, BMP, GIF, and SVG. These tools are useful for website owners, students, creators, online sellers, photographers, and anyone who needs smaller or more compatible images for sharing, editing, or publishing.

Audio and video tools help users work with formats such as MP3, WAV, FLAC, AAC, OGG, Opus, M4A, MP4, MOV, AVI, MKV, WebM, and GIF. These workflows are useful for extracting audio, preparing videos for mobile devices, reducing file size, and creating media that works better across browsers, apps, and social platforms.

FileConverter.run also includes PDF tools for merging, splitting, compressing, and organizing documents. Data and spreadsheet tools support JSON, CSV, TSV, XML, XLSX, GPX, KML, and TCX files for developers, analysts, students, mapping workflows, and business reporting.

Why Browser-Based Processing Matters

Browser-based processing helps remove many common frustrations from file conversion. Users do not need to install desktop software for simple jobs, and many tools can continue working after the page has loaded. Local processing can also reduce privacy concerns because files do not need to be transferred to a remote server for every task.

This makes FileConverter.run useful for people working with personal photos, business documents, contracts, reports, class assignments, media projects, spreadsheets, and other files they may not want to upload to a third-party service.

Popular Use Cases

  • Preparing product photos for Shopify, marketplaces, and e-commerce stores
  • Compressing PDFs before sending contracts, reports, or school documents
  • Converting videos into browser-friendly MP4 files
  • Creating smaller images for faster website performance
  • Preparing media files for social media platforms
  • Turning structured data into spreadsheet-friendly formats
  • Managing file formats without installing extra apps

FileConverter.run continues to grow with new converters, editors, repair tools, and browser utilities focused on speed, compatibility, and user privacy.