Practical web tools
Small utilities for developer and data tasks, business documents, web checks, and file conversion.
Web and domain checks
Temp Mail
A temporary email service for creating disposable email addresses.
URL Shortener
Create shorter shareable links from long URLs.
Domain Expiry Checker
Check domain expiration dates and WHOIS information.
Social Link Checker
Expand and verify social media shortened links.
URL Unshortener
Follow a short link’s redirect chain and inspect its destination.
Uptime Monitor
Request a site and inspect its response and availability.
SSL Checker
Inspect an HTTPS certificate and its expiry details.
Other utilities
Security utilities
Business documents
Invoice Generator
Create professional invoices for your business.
Quotation Generator
Prepare a proposed price and scope before work begins.
Receipt Maker
Record a payment already received from a customer.
Estimate Builder
Prepare an approximate cost with assumptions for planned work.
GST Bill Generator
Prepare a bill draft with editable tax fields; check applicable tax rules.
Purchase Order Generator
Record a buyer’s request for specified goods or services.
Salary Slip Generator
Prepare a pay-period record with earnings and deductions.
Delivery Challan Generator
Prepare a goods dispatch or delivery record.
PDF and file tools
JSON to PDF Converter
Convert JSON files into downloadable PDF documents.
JPG to PDF Merge
Merge multiple JPG images into a single PDF document.
Dark Mode PDF Converter
Convert PDF documents to dark mode for easier reading.
PDF Color Overlay Tool
Apply color overlays to your PDF documents for better visibility.
QR Code Reader
Read QR codes from an image or camera input.
PDF Color Overlay
Apply a color overlay to PDF pages.
PDF Page Size Checker
Inspect page dimensions in a PDF.
HEIC to JPG
Convert HEIC images to JPEG format.
Image Size Checker
Read image dimensions and file details.
Image DPI Checker
Inspect image resolution and DPI metadata.
Passport Photo Resizer
Resize and prepare an image for passport photo dimensions.
Signature Image Resizer
Resize an image for a digital signature upload.
Data and developer tools
JSON to Excel Converter
Convert JSON files into downloadable Excel documents.
Merge Excel Sheets
Merge multiple Excel sheets into a single file.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Code Screenshot Beautifier
Beautify your code screenshots with syntax highlighting and themes.
Universal Data Transformer
Transform data between various formats like JSON, XML, CSV, and more.
JSON Diff
Compare two JSON values and inspect their differences.
UUID Generator
Generate and validate UUID values.
Hash Generator
Calculate common hashes and checksums for input.
Base64 Encoder and Decoder
Encode text to Base64 or decode a Base64 value.
Regex Tester
Test a regular expression against sample text.
SQL IN Clause Generator
Format a list of values for an SQL IN clause.
cURL to Code
Translate a cURL request into code examples.
API Request Builder
Compose and send HTTP API requests from the browser.
JWT Debugger
Decode and inspect JSON Web Token contents.
Text utilities
Tool guides and questions
Read the practical guides or contact Rajnish Kumar about the site and its tools.