Your files never leave
your PC.
BrowserStay is a free toolbox of 40+ PDF, image, and developer tools that run entirely in your browser. No uploads. No accounts. No servers. No waiting.
All 59 tools. Free forever.
Pick a tool and start working — every file stays on your device, every time.
PDF to Image
Convert PDF pages to high-quality images.
PDF to Markdown
Convert PDF documents to structured Markdown with tables and headings.
Image to PDF
Convert images to a single PDF document.
Merge PDF
Combine multiple PDFs into one.
Split PDF
Extract pages or split into multiple files.
Rotate PDF
Turn pages in 90° steps with live thumbnails.
PDF Page Numbers
Stamp page numbers with a live preview.
PDF Metadata Inspector
View, edit, and remove what your PDF reveals.
Unlock PDF
Remove password protection from PDFs.
Encrypt PDF
Protect your PDF with a password.
PDF Sample Generator
Generate synthetic PDF test files with custom pages, sizes, and content.
Resume Builder
Build a resume with live PDF preview and four templates.
Image Converter
Batch convert image formats freely.
Image Resizer
Resize images to any dimension.
Image Compressor
Compress images while maintaining quality.
Remove Image Metadata
Strip EXIF, GPS, and hidden photo data before sharing.
Image Color Palette
Extract a color palette from any image.
Background Remover
AI background removal that runs on your GPU — nothing uploaded.
Favicon Generator
Create a full favicon set from one logo.
File Preview
Preview PDFs, images, video, audio, CSV, code, and archives locally.
Font Previewer
Set type against TTF, OTF, and WOFF files locally.
PDF Watermark
Stamp text watermarks across pages with a live preview.
Length Converter
Convert metric, imperial, and nautical lengths instantly.
Weight & Mass Converter
Convert kg, pounds, stones, ounces, and tons instantly.
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin live.
Age Calculator
Exact age in years, months, and days, plus life totals.
BMI Calculator
BMI, waist-to-height ratio, and waist risk — evidence-based, with WHO standards.
Password Generator
Create strong, secure passwords.
Authenticator
Generate 2FA codes from setup links or secrets.
Python Playground
Write and run Python in your browser with WebAssembly.
JSON Formatter
Format, validate, and beautify JSON.
JSON to YAML
Convert JSON to YAML and back.
JSON to CSV
Convert JSON arrays to CSV and back.
SQL Formatter
Format and beautify SQL queries.
Diff Checker
Compare two texts and highlight differences.
Base64 Encoder/Decoder
Encode and decode Base64 strings.
URL Encoder/Decoder
Encode and decode URLs and query strings.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
UUID Generator
Generate random UUIDs (v4) in bulk.
Text Case Converter
Convert text between twelve naming cases.
QR Code Generator
Create custom QR codes for any purpose.
QR Code Reader
Decode QR codes from images, locally.
XML Formatter
Format, validate, and minify XML documents.
HTML Formatter
Format and beautify HTML markup.
CSS Formatter
Format and minify CSS stylesheets.
JS Formatter
Format and minify JavaScript code.
Markdown Editor
Write Markdown with a live preview.
Markdown HTML Converter
Convert Markdown to HTML and back.
JWT Decoder
Decode and inspect JSON Web Tokens.
Regex Tester
Test and debug regular expressions live.
HTTP Status Checker
Look up HTTP status codes and their meanings.
User-Agent Parser
Parse user-agent strings into browser, OS, and device.
Cron Expression Generator
Build and explain cron schedule expressions.
Unix Timestamp Converter
Convert Unix timestamps to dates and back.
Color Converter
Convert colors between HEX, RGB, and HSL.
Color Contrast Checker
Check color pairs against WCAG AA and AAA contrast thresholds.
Birthday Card Builder
Design a birthday card from templates, download as PNG or PDF.
Wedding Card Builder
Craft an elegant wedding invitation from templates, as PNG or PDF.
Anniversary Card Builder
Celebrate the years with an anniversary card — PNG or printable PDF.
100% free. Yours forever.
BrowserStay is free to use — no watermarks, no file-size caps, no premium paywall. Fast, private tools that respect you and your files, today and always.
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