Convert files in your browser. Nothing is uploaded, ever.
Every tool runs in-browser. No server. No account. 100% private.
No Upload
100% Private
Works Offline
Free
Popular tools
Tools by category
Image Tools 45
See all →HEIC to JPG
Convert iPhone photos to JPG
HEIC to PNG
Convert iPhone HEIC photos to PNG
HEIC to PDF
Convert iPhone HEIC photos to PDF
HEIC to WebP
Convert iPhone HEIC photos to WebP
JPEG to JPG
Rename and re-encode JPEG to JPG
JPG to JPEG
Re-encode JPG to .jpeg extension
AVIF to JPG
Convert next-gen AVIF to JPG
WebP to JPG
Convert WebP for wider compatibility
PDF Tools 22
See all →PDF to JPG
Convert PDF pages to JPG images
PDF to PNG
Convert PDF pages to PNG images
PDF Compressor
Reduce PDF size without uploading
Merge PDF
Combine multiple PDFs into one
Split PDF
Extract pages from a PDF
Rotate PDF
Rotate PDF pages in-browser
Extract PDF Pages
Extract specific pages from a PDF
PDF Page Remover
Delete specific pages from a PDF
Video Tools 41
See all →MKV to MP4
Convert Matroska videos to MP4
AVI to MP4
Convert legacy AVI files to MP4
MOV to MP4
Convert iPhone MOV videos to MP4
WebM to MP4
Convert WebM/screen recordings to MP4
WMV to MP4
Convert Windows Media Video to MP4
MPEG to MP4
Convert legacy MPEG/MPG video to MP4
FLV to MP4
Convert Flash video archives to MP4
TS to MP4
Convert TV recordings to MP4
Audio Tools 15
See all →MP3 Cutter
Cut and trim MP3, WAV, FLAC audio files
WAV to MP3
Convert WAV to compressed MP3
MP3 to WAV
Convert MP3 to uncompressed WAV
FLAC to MP3
Convert lossless FLAC to MP3
M4A to WAV
Decode M4A audio to lossless WAV
AAC to WAV
Decode AAC audio to lossless WAV
Opus to MP3
Convert WhatsApp / Discord Opus to MP3
MP3 to AAC
Convert MP3 to Apple-friendly AAC
Data & Spreadsheet Tools 5
AI Tools (in your browser) 6
See all →Background Remover
Remove image backgrounds with AI
Image to Text (OCR)
Extract text from images and screenshots
Face Blur
Auto-detect and blur faces for privacy
Speech to Text
Transcribe audio/video with Whisper AI
Image Captioning
Auto-describe images for alt text
Text Summarizer
Summarize long text with AI (DistilBART)
Why OfflineConverter?
Your files never leave your device.
Every tool on this site runs using browser APIs - WebAssembly, Canvas, FileReader. When you select a file, it is read into memory in your tab and processed locally. The result is streamed back to you as a download. No byte of your data is ever sent to our servers or any third party.
- No cloud storage - files are never stored anywhere
- No account required - open a tool and go
- No file size limits imposed by upload quotas
- GDPR compliant - no data processing on our end
How it works
1
Select a file
Pick any file from your device. Nothing leaves your computer.
2
Browser processes it
The tool runs locally using WebAssembly and native browser APIs - no server involved.
3
Download the result
Your converted file downloads instantly. Nothing is sent to any server.
Browse by category
Image Converters
HEIC, AVIF, WebP, SVG, PNG, JPG and 40+ formats
Image Utilities
Resize, compress, crop, watermark, EXIF strip
PDF Tools
Merge, split, compress, watermark, convert
Video Tools
Convert, trim, GIF, watermark, extract audio
Audio Tools
MP3, WAV, FLAC, M4A, AAC, OGG and more
AI Tools
Background remover, OCR, face blur — in your browser
Frequently asked questions
Guides & Articles
View all articles →
How-To
How to Merge PDF Files for Free (No Upload Required)
Read →
Mobile Photos
Convert iPhone Photos to JPG Offline: Ultimate HEIC Guide
Read →
Format Guide
WebP vs JPG: Which Image Format Is Better in 2026?
Read →
Image Optimization
Compress Images Offline: Reduce File Size Without Quality Loss
Read →
Privacy
Why You Should Never Upload Files to Convert Them
Read →
Audio Conversion
Extract Audio from Videos Offline: MP4 to MP3 Guide
Read →