Android Tools
Operating system version lookups, screen density buckets, and hardware secret codes.
Android Version & API Level Checker
OS ReferenceLook up any Android version to find its official API Level, internal dessert codename, and release date:
Screen DPI & Density Bucket Calculator
Calculate pixel density (PPI/DPI) and identify the matching Android resource bucket:
Android Secret Dialer Codes Directory
Universal USSD dialer codes to access diagnostic hardware menus and device telemetry:
| Dialer Code | Function | Compatibility |
|---|---|---|
*#06# | View IMEI & Serial Number | Universal |
*#*#4636#*#* | Testing Menu (WiFi, Battery, Radio) | Pixel, Xiaomi, Moto |
*#0*# | Hardware Diagnostic Test (LCD, Sensor) | Samsung Galaxy |
*#*#225#*#* | Calendar Storage Sync Info | Universal |
*#*#426#*#* | Google Play Services Diagnostics | Universal |
Android App Icon Size Matrix
| Bucket | Scale | Launcher Icon | Notification |
|---|---|---|---|
mdpi | 1.0x | 48 × 48 px | 24 × 24 px |
hdpi | 1.5x | 72 × 72 px | 36 × 36 px |
xhdpi | 2.0x | 96 × 96 px | 48 × 48 px |
xxhdpi | 3.0x | 144 × 144 px | 72 × 72 px |
xxxhdpi | 4.0x | 192 × 192 px | 96 × 96 px |
Developer Tools
QR code creators, formatters, cryptographic helpers, and ADB builders.
Free QR Code Generator
Generate high-resolution QR codes client-side for any link, app, or text:
Client-side generation. Zero telemetry.
WiFi "Scan to Connect" QR Generator
Create a QR code guests can scan with their phone camera to join WiFi instantly:
Compatible with all modern Android & iOS devices.
JSON Formatter & Validator
Validate and beautify JSON API payloads:
Strong Password Generator
Generate random passwords client-side using Web Cryptography API:
Includes uppercase, lowercase, numbers, and special symbols.
Base64 Encoder & Decoder
Convert strings to/from Base64 encoding:
SHA-256 Cryptographic Hash
Compute instant cryptographic hashes client-side:
Unix Timestamp Converter
Convert Unix seconds to UTC and local human time:
ADB Command Generator
Terminal presets for rapid debugging:
Calculators & Health Tools
Step calculators, BMI metrics, age difference, and revenue estimators.
Step to Distance & Calorie Calculator
Health EngineCalculate walking distance (Kilometers/Miles) and calories burned from your daily steps:
BMI (Body Mass Index) Calculator
Check body mass index according to World Health Organization (WHO) standards:
Age & Date Difference Calculator
Calculate exact age in years, months, and days:
Mobile Ad Revenue & eCPM Estimator
Estimate app income based on daily impressions and eCPM:
Converters
Live interactive DP, PX, SP, color codes, and storage units.
DP ↔ PX Interactive Converter
Formula: px = dp * (dpi / 160)
Hex Color to Compose & XML
Convert HEX colors to Compose Color(0xFF...) and XML:
Storage Bits & Bytes Converter
Convert memory sizes between MB, GB, and Bytes:
Keystore SHA-1 / SHA-256 Command
Command builder for Firebase Auth and Google Maps key fingerprints:
iPhone & iPad App Store Screenshot Resizer
Exact 1242 × 2688 px and 2064 × 2752 px canvas generator for Apple App Store Connect submissions.
Resize Controls
Zero Loss PNGClick to browse or drag image here
Supports PNG, JPG, WebP, HEIC