Free file conversion — no signup required

CONVERT
ANY
FILE.

198+ formats supported. Images, video, audio, documents, ebooks and more. Fast, secure, completely free.

198+

Formats

3,169+

Conversion pairs

Tap to choose your fileDRAG. DROP. DONE.

Upload any file and our engines will handle format detection automatically.

Select Files

Max 25 MB · Free plan · No signup required

Convert to:

Detecting available formats...

Optimize for

Custom output filename (optional)

Leave empty to use original name. Extension added automatically.

Uploading...

→

Processing your file...

READY!

Download File

Files deleted in 60min • GDPR compliant • 256-bit TLS

Browse all conversion tools

PDF merger, image compressor, video reducer, OCR, audio extractor and more — every dedicated tool you need, free and instant.

See all 15+ tools →

Built for your workflow

Curated guides for WordPress, WhatsApp, email, social media, photographers, businesses, accessibility and more — pick yours.

Browse use cases →

SUPPORTED
FORMATS

Expanding every week

View all 198+ formats →

PDF

JPG

PNG

MP4

MP3

GIF

SVG

DOCX

EPUB

XLSX

MKV

WAV

WEBP

ZIP

PPTX

HEIC

POPULAR
CONVERSIONS

View all pairs →

jpg png png jpg jpg webp png webp heic jpg docx pdf pdf jpg mp4 mov mov mp4 mkv mp4 wav mp3 flac mp3 m4a mp3 mp4 mp3 mov mp3 mkv mp3 webp jpg webp png pdf png heic png

CONVERT EVERY
FORMAT TYPE

Raster & Vector Images 53 formats Video Files 30 formats Audio Files 34 formats Documents & Text 36 formats Spreadsheets & Data 6 formats Presentations 4 formats eBooks 12 formats Archives & Compressed 23 formats

Format showdowns

Compare Formats

Side-by-side breakdowns of the most-asked format choices — file size, quality, compatibility, when each wins.

JPG VS PNG EPUB VS MOBI PPT VS PPTX XLS VS XLSX AAC VS MP3 JPG VS TIFF AVI VS MP4 M4A VS MP3

See all guides →

HOW IT WORKS

Three steps from upload to download.

Upload

Drag and drop, browse your device, or import from Google Drive / Dropbox.

Choose Format

Select any of our 198+ output formats. Preview quality options if needed.

Download

Files are ready in seconds. Auto-deleted after 60 minutes for your privacy.

WHY KAIJUCONVERTER?

Lightning Fast

Cloud-powered engines process your files in seconds. Average latency under 3 seconds for most conversions.

Secure & Private

Files encrypted in transit. Processed in isolated containers. Auto-deleted within 60 minutes.

198+ Formats

Images, video, audio, documents, ebooks, spreadsheets, presentations, archives, fonts and more.

Cloud Imports

Import directly from Dropbox or Google Drive without downloading first.

Always Free

Core conversion is 100% free with no registration. Upgrade for larger files and batch processing.

Developer API

REST API for programmatic conversions. 100 free requests/month. Webhooks supported.

READY TO CONVERT?

Drop your file and be done in under 10 seconds. No account, no limits on formats.

Start Converting — Free

CONVERT ANY FILE.