Private by design

Essential tools.
Your data stays on your device.

Process files and sensitive inputs locally. No upload to an application server, and no account or sign-up required.

  • Not uploaded to any server
  • Processed locally
  • No account or sign-up required.
stay in browser

Essential tool collection

94 tools, no account required
Local
Images
PDF
Calculators
Finance
Business
Data
Developer
Text
QR
Device
Media
Your inputBrowser processingYour result
Files stay on your device · No account
Your data stays on your device

Find a tool

Search the local tool collection

Search happens instantly on this page. The query is not uploaded to any server.

Available now

Choose the tools you need

Open any available tool without signing in. Image, PDF, data, developer, calculator, media, business, QR, device, text, and spending workflows run locally.

Available

Images

Convert, inspect, compress, recognize text, remove backgrounds, resize, and edit images locally.

View Image tools →
Available

PDF

Edit, organize, convert, scan, OCR, sign, fill, protect, redact, and compress PDFs locally.

View PDF tools →
Available

Calculators

Convert units and calculate dates, loans, BMI, percentages, age, and compound growth locally.

View calculators →
Available

Business

Create polished business documents locally without an account or cloud workspace.

View Business tools →
Available

Developer

Format, encode, decode, validate, hash, convert, and generate developer data locally.

View Developer tools →
Available

QR

Create and read QR codes locally without an external API.

View QR tools →
Available

Device

Test and use browser hardware locally without sending recordings to StayInBrowser.

View Device tools →
Available

Media

Trim, join, and convert browser-readable audio, video, and animated images locally.

View Media tools →

The StayInBrowser standard

Local processing is a sensible default.

01

Local firstYour files are processed in your browser.

02

Clear explanationsYou can understand what a tool does before you use it.

03

No tool-data sharingYour files and financial records stay on your device.