Complete directory

All 60 browser tools

Search Base64, text, developer, generator, converter and image utilities. Every tool processes its input locally and remains available through the offline PWA.

60 tools shown

Text tools

19 tools

Word & Character Counter

Count words, characters, sentences, paragraphs, lines and reading time live.

Text Case Converter

Switch text between upper, lower, title, sentence, camel, snake and kebab case.

Plain Text Formatter

Clean uneven spacing, tabs, blank lines and line endings with precise controls.

Remove Duplicate Lines

Deduplicate line-based lists with case, trimming and first-or-last controls.

Sort Lines & Lists

Sort lines alphabetically, naturally, by length or in secure random order.

Find & Replace Text

Replace text literally or with regular expressions, including case controls.

URL Slug Generator

Turn titles into clean, readable URL slugs with hyphens or underscores.

Reverse Text

Reverse Unicode characters, word order or complete lines without changing the source.

Add Line Numbers

Prefix every line with configurable numbering, padding and separators.

Text Repeater

Repeat text up to 1,000 times with a line, space or custom separator.

Remove Line Breaks

Join multi-line text using spaces, no separator or a custom replacement.

Email Extractor

Find email-like addresses in pasted text, remove duplicates and optionally sort them.

URL Extractor

Find HTTP and HTTPS links, remove duplicate matches and sort the list.

Number Extractor

Pull signed integers and decimal-like values from mixed text.

Character Frequency Analyzer

Count characters or words and rank them by occurrence and percentage.

Text Diff Checker

Compare two texts line by line and mark additions, removals and unchanged rows.

ROT13 Encoder & Decoder

Apply the reversible 13-position Latin-letter substitution.

Caesar Cipher

Shift Latin letters by a chosen positive or negative amount.

Morse Code Translator

Translate Latin letters, digits and common punctuation to or from Morse code.

Developer tools

17 tools

Base64 Encoder & Decoder

Encode or decode UTF-8 Base64 with optional encrypted history and JSON backup.

JSON Formatter & Validator

Validate, beautify, minify and optionally sort JSON object keys.

URL Encoder & Decoder

Percent-encode query values or full URLs and safely decode them again.

HTML Escape & Unescape

Convert reserved HTML characters to entities or entities back to text.

JWT Decoder

Decode JSON Web Token headers and payloads without transmitting the token.

SHA Hash Generator

Generate SHA-256, SHA-384, SHA-512 or legacy SHA-1 for text and files.

CSV to JSON Converter

Parse quoted CSV rows and convert headers into JSON object properties.

JSON to CSV Converter

Convert an array of JSON objects to quoted CSV with a union of all keys.

XML Formatter & Validator

Validate XML with the browser parser and indent nested elements for reading.

SQL Formatter

Break common SQL clauses and comma-separated lists into readable lines.

CSS Minifier

Remove comments and unnecessary whitespace while protecting quoted strings.

HTML Minifier

Remove ordinary comments and inter-tag whitespace while protecting sensitive blocks.

Regular Expression Tester

Run JavaScript regular expressions and inspect indexes, captures and named groups.

URL Parser

Split an absolute URL into protocol, host, port, path, query and fragment.

Query String Parser

Convert query parameters to JSON or build an encoded query from JSON.

JSON String Escape & Unescape

Escape quotes, backslashes and control characters for a JSON string value.

UUID Validator

Validate canonical UUIDs and identify versions, RFC variants and the nil value.

Generators

9 tools

UUID v4 Generator

Create up to 100 random version 4 UUIDs using secure browser randomness.

Secure Password Generator

Create strong random passwords with length and character-set controls.

Lorem Ipsum Generator

Generate configurable paragraphs and sentences of familiar placeholder copy.

Random Number Generator

Generate integer or fixed-decimal values across a configurable range.

Random String Generator

Create random strings from selected or custom character sets.

Passphrase Generator

Combine random words with separators, capitalization and an optional number.

Username Generator

Combine local adjective and noun lists with separators and optional numbers.

Dice Roller

Roll expressions such as 3d6+2 with secure randomness and detailed results.

ULID Generator

Create 26-character time-sortable identifiers with secure random components.

Converters

12 tools

Unix Timestamp Converter

Convert Unix seconds or milliseconds to ISO, UTC and local dates, or back again.

Text to Binary Converter

Convert Unicode text to 8-bit UTF-8 binary bytes and decode valid binary again.

Number Base Converter

Convert arbitrarily large integers between bases 2 and 36.

Roman Numeral Converter

Convert canonical Roman numerals to integers and numbers back to Roman form.

Temperature Converter

Convert values among Celsius, Fahrenheit and Kelvin instantly.

Length Converter

Convert millimeters, meters, kilometers, inches, feet, yards and miles.

Weight & Mass Converter

Convert milligrams, grams, kilograms, ounces, pounds, stone and tonnes.

Data Size Converter

Convert decimal and binary byte units without confusing MB and MiB.

Speed Converter

Convert meters per second, km/h, mph, knots and feet per second.

Percentage Calculator

Calculate a percentage of a value, a ratio percentage or percentage change.

Date Difference Calculator

Measure elapsed time between two local dates in multiple units.

HEX, RGB & HSL Color Converter

Convert a HEX or RGB color to equivalent HEX, RGB and HSL values.

Image tools

3 tools

Image Resizer

Resize local images to exact pixel dimensions and export PNG, JPEG or WebP.

Image to Base64 Converter

Read a local image as a Base64 data URL for CSS, HTML or test fixtures.

Image Format Converter

Convert browser-readable images to PNG, JPEG or WebP with local quality controls.

One private directory for everyday browser utilities

This catalog keeps Base64 encoding and decoding together with text cleanup, developer data formatting, secure generators, measurement converters and local image processing. Use the search field or category filters to reach a focused utility without scrolling through the home page.

Available online and offline

No tool input is sent to a conversion API. Once the PWA has cached the catalog, every listed page and its supporting code can open without a network connection. Dedicated URLs, descriptive articles and structured data also make individual utilities easy to bookmark and discover.