Trusted by thousands of users
The file converter that
respects your privacy.
Other converters store your files on their servers. We don't. Every conversion runs in memory and is deleted the moment you download.
What actually happens to your file
Many online converters temporarily store uploaded files. Here's how PrivConvert is different.
Your file is sent over HTTPS straight into memory — never written to our disk, not even for a second.
The engine that opens your file has no internet access at all, so your data can't be sent anywhere or leak.
You get your file instantly, and every trace of it is wiped from memory within seconds.
- No sign-up
- No file storage
- No tracking
- Processed in memory
- Auto-deleted
350+ free tools, zero compromise
Convert, compress, protect, and transform any file format
Image Tools
Convert, compress, resize, watermark, and strip metadata from images.
ExplorePDF Tools
Merge, split, compress, convert, protect, unlock, sign, and rotate PDFs.
ExploreDocument Tools
Convert between Word, Excel, PowerPoint, HTML, TXT, and more.
ExploreData & Developer
JSON, CSV, XML, YAML, SQL, QR codes, password generator, and formatters.
ExploreArchive Tools
Convert between RAR, ZIP, 7Z, TAR.GZ, CAB, and ISO. Protect or unlock archives.
ExploreAudio Tools
Convert between MP3, WAV, FLAC, AAC, M4A, OGG, and WMA — fast and free.
Explore3D & CAD Tools
Convert between STL, OBJ, PLY, GLB, 3MF, and OFF — for 3D printing, editing, and web/AR.
ExploreYour files, handled securely.
Every conversion runs in an isolated, in-memory process. Files never touch the disk and are never stored or shared.
Files live in RAM only - nothing touches the disk.
Purged the moment your download completes.
TLS/HTTPS encryption on every upload and download.
No sign-up. No user profiles.
Every upload scanned for malware and blocked threats.
We don't store IPs, filenames, or conversion history.
Press & recognition
Featured in
PrivConvert in the press and industry coverage.
The Security Risks of Processing Untrusted Files in Web Applications
“Files are processed entirely in volatile memory... Each conversion runs inside a restricted and isolated sandbox, and the files are removed from memory immediately after the conversion is completed.”Read the article
How to Convert and Share Files Online Without Risking Your Privacy
“Instead of storing uploads, it processes every file entirely in memory and deletes it the instant the download completes.”Read the article Featured
Why Privacy-First File Converters Are Replacing Traditional Tools in 2026
“One leading example of this new standard is PrivConvert, a privacy-first file converter built from the ground up with in-memory processing.”Read the article
PrivConvert: Redefining File Conversion with Privacy at the Core
“PrivConvert represents a new standard for privacy-centric digital tools.”Read the article
Hardening File Uploads on Linux: Sandboxing Parsers and Stopping RCE
“…architectures where processing happened entirely in volatile memory without hitting durable storage, file data was scrubbed immediately post-delivery, and parsing environments operated with zero public internet access or system credentials, recording no Critical or High-severity findings for that toolset.”Read the article
The Hidden Privacy Risks of Online File Conversion Tools
“When considering a privacy-first file conversion solution, organizations should ask if uploaded attachments are permanently stored, how untrusted files are isolated, and when file data is deleted after processing.”Read the article
STL vs OBJ vs 3MF vs GLB: Which 3D File Format Should I Use?
“When a modeling application, slicer, or web platform does not support the original format, designers may need to convert between 3D file formats before continuing their workflow.”Read the article
The Intersection of Digital Documents and Data Security: Best Practices
“Privacy-first tools such as PrivConvert can help support secure document handling by minimizing unnecessary data exposure during the conversion process.”Read the article