FOREVER & ALWAYS · BROWSER TOOLS

Useful tools, right in your browser.

A personal, free toolbox for quick everyday tasks. Your text and files stay on your device.

133 toolsHTML · CSS · JSRuns locally

Tool catalog

All tools

133 tools

JSON Formatter & Validator

Format, inspect, or convert common developer data directly in your browser. JSON Formatter & Validator is available without an account.

JSON Minifier

Format, inspect, or convert common developer data directly in your browser. JSON Minifier is available without an account.

JSON Diff

Format, inspect, or convert common developer data directly in your browser. JSON Diff is available without an account.

JSON Field Extractor

Format, inspect, or convert common developer data directly in your browser. JSON Field Extractor is available without an account.

JSON to CSV

Format, inspect, or convert common developer data directly in your browser. JSON to CSV is available without an account.

CSV to JSON

Format, inspect, or convert common developer data directly in your browser. CSV to JSON is available without an account.

XML Formatter

Format, inspect, or convert common developer data directly in your browser. XML Formatter is available without an account.

XML to JSON

Format, inspect, or convert common developer data directly in your browser. XML to JSON is available without an account.

JSON to XML

Format, inspect, or convert common developer data directly in your browser. JSON to XML is available without an account.

YAML Formatter & Validator

Format, inspect, or convert common developer data directly in your browser. YAML Formatter & Validator is available without an account.

YAML to JSON

Format, inspect, or convert common developer data directly in your browser. YAML to JSON is available without an account.

JSON to YAML

Format, inspect, or convert common developer data directly in your browser. JSON to YAML is available without an account.

TOML to JSON

Format, inspect, or convert common developer data directly in your browser. TOML to JSON is available without an account.

JSON to TOML

Format, inspect, or convert common developer data directly in your browser. JSON to TOML is available without an account.

URL Encoder & Decoder

Format, inspect, or convert common developer data directly in your browser. URL Encoder & Decoder is available without an account.

URL Parser

Format, inspect, or convert common developer data directly in your browser. URL Parser is available without an account.

Base64 Text Encoder & Decoder

Format, inspect, or convert common developer data directly in your browser. Base64 Text Encoder & Decoder is available without an account.

File Base64 Encoder & Decoder

Format, inspect, or convert common developer data directly in your browser. File Base64 Encoder & Decoder is available without an account.

HTML Entity Encoder & Decoder

Format, inspect, or convert common developer data directly in your browser. HTML Entity Encoder & Decoder is available without an account.

Markdown Editor & Preview

Format, inspect, or convert common developer data directly in your browser. Markdown Editor & Preview is available without an account.

Markdown to HTML

Format, inspect, or convert common developer data directly in your browser. Markdown to HTML is available without an account.

HTML Sandbox Preview

Format, inspect, or convert common developer data directly in your browser. HTML Sandbox Preview is available without an account.

SQL Formatter

Format, inspect, or convert common developer data directly in your browser. SQL Formatter is available without an account.

CSS Formatter & Minifier

Format, inspect, or convert common developer data directly in your browser. CSS Formatter & Minifier is available without an account.

JavaScript Formatter & Minifier

Format, inspect, or convert common developer data directly in your browser. JavaScript Formatter & Minifier is available without an account.

Regular Expression Tester

Format, inspect, or convert common developer data directly in your browser. Regular Expression Tester is available without an account.

Cron Expression Helper

Format, inspect, or convert common developer data directly in your browser. Cron Expression Helper is available without an account.

Text Diff

Transform, compare, count, and extract text without sending it to a server. Text Diff is available without an account.

Text Statistics

Transform, compare, count, and extract text without sending it to a server. Text Statistics is available without an account.

Case Converter

Transform, compare, count, and extract text without sending it to a server. Case Converter is available without an account.

Slug Generator

Transform, compare, count, and extract text without sending it to a server. Slug Generator is available without an account.

Duplicate Line Remover

Transform, compare, count, and extract text without sending it to a server. Duplicate Line Remover is available without an account.

Line Sorter

Transform, compare, count, and extract text without sending it to a server. Line Sorter is available without an account.

Line Reverser

Transform, compare, count, and extract text without sending it to a server. Line Reverser is available without an account.

Line Prefix & Suffix

Transform, compare, count, and extract text without sending it to a server. Line Prefix & Suffix is available without an account.

Whitespace Cleaner

Transform, compare, count, and extract text without sending it to a server. Whitespace Cleaner is available without an account.

Empty Line Remover

Transform, compare, count, and extract text without sending it to a server. Empty Line Remover is available without an account.

Regex Text Replacement

Transform, compare, count, and extract text without sending it to a server. Regex Text Replacement is available without an account.

URL Extractor

Transform, compare, count, and extract text without sending it to a server. URL Extractor is available without an account.

Email Extractor

Transform, compare, count, and extract text without sending it to a server. Email Extractor is available without an account.

Number Extractor

Transform, compare, count, and extract text without sending it to a server. Number Extractor is available without an account.

IPv4 Extractor

Transform, compare, count, and extract text without sending it to a server. IPv4 Extractor is available without an account.

Unicode Converter

Transform, compare, count, and extract text without sending it to a server. Unicode Converter is available without an account.

ASCII & Binary Converter

Transform, compare, count, and extract text without sending it to a server. ASCII & Binary Converter is available without an account.

Morse Code Converter

Transform, compare, count, and extract text without sending it to a server. Morse Code Converter is available without an account.

NATO Phonetic Alphabet

Transform, compare, count, and extract text without sending it to a server. NATO Phonetic Alphabet is available without an account.

Lorem Ipsum Generator

Transform, compare, count, and extract text without sending it to a server. Lorem Ipsum Generator is available without an account.

Numeronym Generator

Transform, compare, count, and extract text without sending it to a server. Numeronym Generator is available without an account.

Word Frequency Counter

Transform, compare, count, and extract text without sending it to a server. Word Frequency Counter is available without an account.

Random Token Generator

Generate or inspect values locally. Sensitive input stays in this browser. Random Token Generator is available without an account.

Password Generator

Generate or inspect values locally. Sensitive input stays in this browser. Password Generator is available without an account.

Password Strength Analyzer

Generate or inspect values locally. Sensitive input stays in this browser. Password Strength Analyzer is available without an account.

Text Hash Generator

Generate or inspect values locally. Sensitive input stays in this browser. Text Hash Generator is available without an account.

HMAC Generator

Generate or inspect values locally. Sensitive input stays in this browser. HMAC Generator is available without an account.

AES-GCM Encrypt & Decrypt

Generate or inspect values locally. Sensitive input stays in this browser. AES-GCM Encrypt & Decrypt is available without an account.

Basic Auth Header Generator

Generate or inspect values locally. Sensitive input stays in this browser. Basic Auth Header Generator is available without an account.

OTP Code Generator

Generate or inspect values locally. Sensitive input stays in this browser. OTP Code Generator is available without an account.

JWT Decoder

Generate or inspect values locally. Sensitive input stays in this browser. JWT Decoder is available without an account.

UUID Generator & Validator

Generate or inspect values locally. Sensitive input stays in this browser. UUID Generator & Validator is available without an account.

ULID Generator

Generate or inspect values locally. Sensitive input stays in this browser. ULID Generator is available without an account.

IPv4 Subnet Calculator

Generate or inspect values locally. Sensitive input stays in this browser. IPv4 Subnet Calculator is available without an account.

IP Address Converter

Generate or inspect values locally. Sensitive input stays in this browser. IP Address Converter is available without an account.

IPv4 Range & CIDR Helper

Generate or inspect values locally. Sensitive input stays in this browser. IPv4 Range & CIDR Helper is available without an account.

IPv6 Converter & Validator

Generate or inspect values locally. Sensitive input stays in this browser. IPv6 Converter & Validator is available without an account.

Random MAC Address Generator

Generate or inspect values locally. Sensitive input stays in this browser. Random MAC Address Generator is available without an account.

Random Port Generator

Generate or inspect values locally. Sensitive input stays in this browser. Random Port Generator is available without an account.

chmod Calculator

Generate or inspect values locally. Sensitive input stays in this browser. chmod Calculator is available without an account.

HTTP Status Codes

Generate or inspect values locally. Sensitive input stays in this browser. HTTP Status Codes is available without an account.

MIME Type Lookup

Generate or inspect values locally. Sensitive input stays in this browser. MIME Type Lookup is available without an account.

User-Agent Parser

Generate or inspect values locally. Sensitive input stays in this browser. User-Agent Parser is available without an account.

Browser & Device Information

Generate or inspect values locally. Sensitive input stays in this browser. Browser & Device Information is available without an account.

Keyboard Keycode Viewer

Generate or inspect values locally. Sensitive input stays in this browser. Keyboard Keycode Viewer is available without an account.

Number Base Converter

Convert units, dates, and everyday calculations in your browser. Number Base Converter is available without an account.

Roman Numeral Converter

Convert units, dates, and everyday calculations in your browser. Roman Numeral Converter is available without an account.

Temperature Converter

Convert units, dates, and everyday calculations in your browser. Temperature Converter is available without an account.

Length Converter

Convert units, dates, and everyday calculations in your browser. Length Converter is available without an account.

Weight Converter

Convert units, dates, and everyday calculations in your browser. Weight Converter is available without an account.

Area Converter

Convert units, dates, and everyday calculations in your browser. Area Converter is available without an account.

Volume Converter

Convert units, dates, and everyday calculations in your browser. Volume Converter is available without an account.

Speed Converter

Convert units, dates, and everyday calculations in your browser. Speed Converter is available without an account.

Data Storage Converter

Convert units, dates, and everyday calculations in your browser. Data Storage Converter is available without an account.

Energy Converter

Convert units, dates, and everyday calculations in your browser. Energy Converter is available without an account.

Power Converter

Convert units, dates, and everyday calculations in your browser. Power Converter is available without an account.

Pressure Converter

Convert units, dates, and everyday calculations in your browser. Pressure Converter is available without an account.

Time Unit Converter

Convert units, dates, and everyday calculations in your browser. Time Unit Converter is available without an account.

Timestamp Converter

Convert units, dates, and everyday calculations in your browser. Timestamp Converter is available without an account.

Date Calculator

Convert units, dates, and everyday calculations in your browser. Date Calculator is available without an account.

Time Zone Converter

Convert units, dates, and everyday calculations in your browser. Time Zone Converter is available without an account.

World Clock

Convert units, dates, and everyday calculations in your browser. World Clock is available without an account.

Percentage Calculator

Convert units, dates, and everyday calculations in your browser. Percentage Calculator is available without an account.

Math Expression Evaluator

Convert units, dates, and everyday calculations in your browser. Math Expression Evaluator is available without an account.

BMI Calculator

Convert units, dates, and everyday calculations in your browser. BMI Calculator is available without an account.

Age Calculator

Convert units, dates, and everyday calculations in your browser. Age Calculator is available without an account.

Tip & Bill Split Calculator

Convert units, dates, and everyday calculations in your browser. Tip & Bill Split Calculator is available without an account.

Image Compressor

Process images locally with browser canvas and download the result. Image Compressor is available without an account.

Image Resizer

Process images locally with browser canvas and download the result. Image Resizer is available without an account.

Image Cropper

Process images locally with browser canvas and download the result. Image Cropper is available without an account.

Image Format Converter

Process images locally with browser canvas and download the result. Image Format Converter is available without an account.

Image to Base64

Process images locally with browser canvas and download the result. Image to Base64 is available without an account.

Base64 to Image

Process images locally with browser canvas and download the result. Base64 to Image is available without an account.

Image Watermark

Process images locally with browser canvas and download the result. Image Watermark is available without an account.

Rounded Image Maker

Process images locally with browser canvas and download the result. Rounded Image Maker is available without an account.

Grayscale Image

Process images locally with browser canvas and download the result. Grayscale Image is available without an account.

Image Color Inverter

Process images locally with browser canvas and download the result. Image Color Inverter is available without an account.

Image Pixelator

Process images locally with browser canvas and download the result. Image Pixelator is available without an account.

Solid Color Image Generator

Process images locally with browser canvas and download the result. Solid Color Image Generator is available without an account.

Image Grid Splitter

Process images locally with browser canvas and download the result. Image Grid Splitter is available without an account.

Image Stitcher

Process images locally with browser canvas and download the result. Image Stitcher is available without an account.

Image Color Picker & Palette

Process images locally with browser canvas and download the result. Image Color Picker & Palette is available without an account.

QR Code Generator

Process images locally with browser canvas and download the result. QR Code Generator is available without an account.

QR Code Image Reader

Process images locally with browser canvas and download the result. QR Code Image Reader is available without an account.

Barcode Generator

Process images locally with browser canvas and download the result. Barcode Generator is available without an account.

Multi-size Icon Generator

Process images locally with browser canvas and download the result. Multi-size Icon Generator is available without an account.

Image to PDF

Process images locally with browser canvas and download the result. Image to PDF is available without an account.

PDF Merger

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Merger is available without an account.

PDF Splitter

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Splitter is available without an account.

PDF Page Organizer

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Page Organizer is available without an account.

PDF Page Rotator

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Page Rotator is available without an account.

PDF Watermark

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Watermark is available without an account.

PDF Page Numbering

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Page Numbering is available without an account.

PDF Preview & Page Export

Work with PDF pages locally in your browser using local JavaScript libraries. PDF Preview & Page Export is available without an account.

Stopwatch

A small browser tool for everyday timing, selection, recording, or drawing. Stopwatch is available without an account.

Countdown Timer

A small browser tool for everyday timing, selection, recording, or drawing. Countdown Timer is available without an account.

Pomodoro Timer

A small browser tool for everyday timing, selection, recording, or drawing. Pomodoro Timer is available without an account.

Random Number Generator

A small browser tool for everyday timing, selection, recording, or drawing. Random Number Generator is available without an account.

Random Picker

A small browser tool for everyday timing, selection, recording, or drawing. Random Picker is available without an account.

Lottery Draw

A small browser tool for everyday timing, selection, recording, or drawing. Lottery Draw is available without an account.

Team Grouper

A small browser tool for everyday timing, selection, recording, or drawing. Team Grouper is available without an account.

Emoji Picker

A small browser tool for everyday timing, selection, recording, or drawing. Emoji Picker is available without an account.

Special Characters

A small browser tool for everyday timing, selection, recording, or drawing. Special Characters is available without an account.

Screen Recorder

A small browser tool for everyday timing, selection, recording, or drawing. Screen Recorder is available without an account.

Webcam Recorder

A small browser tool for everyday timing, selection, recording, or drawing. Webcam Recorder is available without an account.

Drawing Canvas

A small browser tool for everyday timing, selection, recording, or drawing. Drawing Canvas is available without an account.