All ProCraft Tools
55 free web tools that run entirely in your browser. No server, no tracking, no sign-in. Click a tool to open it on ProCraft.
JSON
- JSON Formatter
Format and indent JSON for readability.
- JSON Minifier
Remove all unnecessary whitespace from JSON.
- JSON to CSV
Convert an array of JSON objects to CSV.
- CSV to JSON
Convert CSV rows to a JSON array of objects.
Text
- Text Case Converter
Convert text between upper, lower, title and sentence case.
- Word Counter
Count words, characters, sentences and reading time.
- Text Diff
Show lines that exist in only one of two texts.
- Duplicate Line Remover
Remove duplicate lines while keeping the first occurrence.
- Sort Lines
Sort lines alphabetically, ascending or descending.
- Lorem Ipsum Generator
Generate placeholder paragraphs for layouts.
- Text Reverser
Reverse text characters and lines.
- Remove Extra Spaces
Trim text and collapse repeated whitespace.
- Word Frequency
Count how often each word appears.
- Markdown to HTML
Convert basic Markdown to HTML.
- HTML to Text
Strip HTML tags and keep readable text.
Encoding
- Base64 Encoder
Encode text to Base64 and decode it back.
- URL Encoder
Encode and decode URL components safely.
- Hash Generator
Generate SHA-1, SHA-256 and SHA-512 hashes in your browser.
- JWT Decoder
Decode a JWT header and payload without verifying it.
- Password Generator
Generate a strong random password locally.
- HTML Entity Encoder
Encode and decode HTML entities.
- Morse Code
Encode text to Morse code and decode it back.
- ROT13
Apply the ROT13 letter rotation, twice returns the original.
- Hex Encoder
Convert text to hexadecimal and back.
- Text to Binary
Convert text to 8-bit binary and back.
- HMAC Generator
Generate an HMAC-SHA256 signature for a message and key.
- Password Strength Checker
Estimate password strength without sending it anywhere.
Colors
- Color Converter
Convert colors between HEX, RGB and HSL.
- Color Palette Generator
Generate a harmonious palette from one base color.
- Color Contrast Checker
Check WCAG contrast ratio between two colors.
- Gradient Generator
Generate a CSS gradient from two colors.
- Color Shades
Generate lighter and darker shades of a color.
Developer
- Regex Tester
Test a regular expression against sample text.
- UUID Generator
Generate version 4 UUIDs locally.
- Cron Explainer
Explain a 5-field cron expression field by field.
- HTTP Status Lookup
Look up the meaning of common HTTP status codes.
- User Agent Parser
Parse a user agent string into browser and system hints.
- SQL Formatter
Format basic SQL with uppercase keywords and line breaks.
- CSS Minifier
Remove comments and extra whitespace from CSS.
Network
- IP Lookup
Look up your public IP and approximate location.
- Subnet Calculator
Calculate network, broadcast and host range for IPv4 CIDR.
Math
- Percentage Calculator
Calculate percentages, increases and discounts.
- Number Base Converter
Convert numbers between binary, octal, decimal and hex.
- BMI Calculator
Calculate body mass index from weight and height.
- Loan Calculator
Calculate monthly loan payments from principal, rate and years.
- Tip Calculator
Split a bill with tip between people.
Utilities
- Slug Generator
Turn a title into a clean URL slug.
- Random Number Generator
Generate random integers in a range.
- Unit Converter
Convert length, weight and temperature units.
Time
- Timestamp Converter
Convert Unix timestamps to dates and back.
- Date Difference
Calculate the days between two dates.
- Stopwatch
A simple stopwatch that runs in your browser.
- Age Calculator
Calculate age from a birth date to today.
- Countdown Timer
Count down live to a chosen date and time.
- World Clock
Show current times in major world cities.