Your files. Your device.
Your tools.
Convert, compress and edit images, PDFs and more. Free tools that work in your browser. Your files stay with you.
- Nothing uploaded
- Works offline
- No sign-up
Start with a converter
One place for every format. Choose a file and make it work for you.
Popular tools
A few useful places to start.
Image converter
Any image format in, JPG, PNG, WebP, BMP or ICO out, with a target size.
ANY → ANYOpen toolHEIC to JPG
Turn iPhone photos into JPGs that open anywhere.
HEIC → JPGOpen toolCompress image
Make photos smaller without uploading them.
IMG → IMGOpen toolRemove image metadata
Delete GPS location and camera data without re-saving the picture.
IMG → IMGOpen toolPDF converter
PDF to JPG, PNG or text, shrink a PDF to a target size, or images to PDF.
PDF → ANYOpen toolJPG to PDF
Combine photos and scans into one PDF.
JPG → PDFOpen toolMerge PDF
Join PDF files in the order you want.
PDF → PDFOpen toolCompress PDF
Make PDF files smaller on your device.
PDF → PDFOpen toolProtect PDF with password
Lock a PDF with a password (AES-256).
PDF → PDFOpen toolRedact PDF
Black out words, e-mails and phone numbers.
PDF → PDFOpen toolWord to PDF
Turn Word (.docx) text into a clean PDF.
DOCX → PDFOpen toolPDF to Excel
Pull PDF tables into an Excel workbook.
PDF → XLSXOpen toolSign PDF
Draw, type or upload a signature and place it.
PDF → PDFOpen toolOCR PDF
Make scanned PDFs searchable and copyable.
PDF → PDFOpen toolPDF editor
Add text, white-out, highlights and boxes.
PDF → PDFOpen toolFind the right tool
Everything you need for the files you work with.
Image tools
Convert HEIC, AVIF, WebP, PNG and JPG, compress, resize, rotate and clean photo metadata.
- HEIC to JPG
- PNG to JPG
- JPG to PNG
PDF tools
Merge, split, compress, rotate and number PDFs, and turn them into images or text.
- Rotate PDF
- Organize PDF pages
- PDF to JPG
Text tools
Turn text into PDF, count words, compare versions and change text case.
- TXT to PDF
- Markdown to PDF
- Word counter
Developer tools
Format JSON, convert CSV, encode Base64 and URLs, and make QR codes.
- JSON formatter & validator
- CSV to JSON
- JSON to CSV
File tools
Create and open ZIP files, rename in bulk and check SHA-256 checksums.
- Create ZIP
- Extract ZIP
- Batch file rename
Why on-device?
Your browser has everything it needs. Your files can stay right here.
Private by default
Photos, documents and file names stay with you. Nothing is uploaded.
Your device does the work
Convert and edit inside your browser, with no account or installation.
Ready when you are
Open a tool once and keep using it offline on this device.
A little help goes a long way
Clear answers about formats, smaller files and privacy.
How to open and convert iPhone HEIC photos on Windows
Three simple ways to view or convert iPhone photos on a Windows PC.
Read the guideIs it safe to use online file converters?
What happens to your files, the risks, and how to check a tool yourself.
Read the guideHow to make a PDF smaller without losing quality
Why PDFs get big, and practical ways to shrink them for email and forms.
Read the guideGood questions.
Straight answers.
Are my files really not uploaded?
Yes. Every tool runs inside your browser, so your files are opened and converted on your own device. You can check it yourself with the steps on our How it works page.
Is OnDevice Tools free?
Yes. All tools are free, with no sign-up, no watermarks and no daily limits.
Does it work on my phone?
Yes. The tools work in modern browsers on iPhone, Android, Windows, Mac and Linux. Nothing needs to be installed.
Do you use cookies?
No. We use no cookies, no analytics and no advertising trackers.
What file types are supported?
Images (JPG, PNG, WebP, HEIC, AVIF, GIF, BMP, SVG), PDF, text and ZIP files, and each tool page lists what it accepts.