</> ConvertAtlas Developer Tools

All tools

Every ConvertAtlas utility, grouped by what it does.

Converters

Transform data between formats.

JSON Formatter

Format, beautify, minify and validate JSON instantly in your browser.

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text, instantly.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

JSON to CSV Converter

Convert a JSON array of objects into CSV, and back.

YAML to JSON Converter

Convert YAML to JSON and JSON to YAML instantly.

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

Roman Numeral Converter

Convert between Roman numerals and regular numbers.

Text to Binary Converter

Convert text to binary and binary back to text.

IP ↔ Integer Converter

Convert an IPv4 address to its integer form and back.

Percentage Calculator

Calculate percentages, percentage change and more.

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin.

Image to Base64 Converter

Convert an image into a Base64 data URI for embedding.

JSON to XML Converter

Convert JSON to XML and XML back to JSON.

Base Number Encoder

Convert numbers between any base from 2 to 64.

JSON to TypeScript

Generate TypeScript interfaces from a JSON sample.

CSS Units Converter

Convert between px, rem, em, pt and percent.

Duration Converter

Convert between milliseconds, seconds, minutes, hours and days.

Byte Size Converter

Convert data sizes and compare decimal vs binary units.

Aspect Ratio Calculator

Calculate dimensions that keep an aspect ratio.

JSON String Escaper

Escape text into a JSON string literal.

JSON String Unescaper

Decode a JSON string literal to raw text.

JSON Key Sorter

Alphabetically sort all JSON object keys.

CSV to JSON Converter

Turn CSV rows into a JSON array.

Morse Code Translator

Convert text to Morse code.

Binary to Text

Decode binary back into readable text.

Text to Hex

Convert text into hexadecimal bytes.

Hex to Text

Decode hexadecimal bytes into text.

Unix Timestamp to Date

Convert Unix timestamps to readable dates.

Date to Unix Timestamp

Convert dates to Unix timestamps.

Lines to JSON Array

Turn lines into a JSON string array.

JSON to CSV

Convert a JSON array to CSV.

SQL IN Clause Builder

Turn a list into a SQL IN (...) clause.

Lines to Comma List

Join lines into a comma-separated list.

Comma List to Lines

Split a comma list into separate lines.

Web

Encoders and web-format helpers.

URL Encode / Decode

Percent-encode text for safe use in URLs, or decode it back.

HTML Entity Encode / Decode

Escape text to HTML entities, or decode entities back to characters.

Regex Tester

Test regular expressions against text in real time, with live match highlighting.

Cron Expression Parser

Translate cron expressions into plain English and build new schedules.

Color Converter

Convert colors between HEX, RGB and HSL, with a live preview.

Text Diff Checker

Compare two blocks of text and highlight every difference.

URL Parser

Parse a URL into its protocol, host, path, query parameters and more.

SQL Formatter

Format and beautify SQL queries for readability.

IP Subnet Calculator

Calculate network address, broadcast, range and host count from CIDR.

Redirect Rule Generator

Generate 301/302 redirect rules for Apache .htaccess and Nginx.

Meta Tag Generator

Generate SEO, Open Graph and Twitter meta tags for any page.

Email Normalizer

Normalize email addresses to detect duplicates and aliases.

User Agent Parser

Break down a User-Agent string into browser, OS and device.

JSON Diff

Compare two JSON objects structurally and see what changed.

Cron Next Runs

See the next execution times for any cron expression.

Color Palette Generator

Generate tints and shades from a base color.

HTTP Header Parser

Parse raw HTTP headers into a readable list.

Query String Parser

Parse a URL query string into JSON.

Query String Builder

Build a URL query string from JSON.

HTML Tag Stripper

Remove all HTML tags, keep the text.

JSON to Query String

Flatten JSON into URL parameters.

URL Encoder

Percent-encode text for URLs.

URL Decoder

Decode percent-encoded URL text.

HTML Entity Encoder

Escape text into HTML entities.

HTML Entity Decoder

Decode HTML entities to plain text.

CSS Minifier

Minify CSS by removing whitespace and comments.

JS Comment Stripper

Remove comments and blank lines from JS.

Text

Manipulate and inspect text.

Case Converter

Convert text between camelCase, snake_case, kebab-case, Title Case and more.

Lorem Ipsum Generator

Generate placeholder text — words, sentences or paragraphs.

Slugify Text

Turn any text into a clean, URL-safe slug.

Markdown Preview

Write Markdown and see the rendered HTML live.

Word & Character Counter

Count words, characters, sentences and reading time instantly.

List Converter

Sort, deduplicate, reverse and transform lists of lines.

NATO Phonetic Alphabet

Spell out text using the NATO phonetic alphabet.

String Escape / Unescape

Escape and unescape strings for JSON, JS, HTML and URLs.

Unicode Character Lookup

Inspect any character’s code point and encoding.

Text Reverser

Reverse text, words or lines instantly.

Word Order Reverser

Reverse the order of words in a sentence.

Line Reverser

Reverse the order of lines in a list.

Remove Duplicate Lines

Delete repeated lines from a list.

Remove Empty Lines

Strip blank lines from text.

Sort Lines Alphabetically

Sort lines A–Z, Z–A or numerically.

Shuffle Lines

Randomly reorder lines of text.

Trim Line Whitespace

Remove leading and trailing spaces per line.

Add Line Numbers

Prefix each line with its number.

Word Frequency Counter

Count how often each word appears.

Remove Extra Spaces

Collapse multiple spaces into one.

Remove Line Breaks

Join multi-line text into one line.

Remove Accents

Convert accented letters to plain ASCII.

Email Extractor

Pull all email addresses from text.

URL Extractor

Pull all links from a block of text.

Number Extractor

Pull all numbers out of text.

snake_case to camelCase

Convert snake_case identifiers to camelCase.

camelCase to snake_case

Convert camelCase identifiers to snake_case.

Slug to Title

Turn a URL slug into a readable title.

Uppercase Converter

Convert text to all UPPERCASE.

Lowercase Converter

Convert text to all lowercase.

Capitalize Each Word

Title-case every word in your text.

Spaces to Dashes

Replace spaces with hyphens for slugs.

Duplicate Line Finder

List only the lines that repeat.

Remove Numbers

Strip all digits from text.

Remove Letters

Strip all letters, keep numbers and symbols.

Underscores to Spaces

Replace underscores with spaces in text.

Remove Punctuation

Strip all punctuation from text.

Remove All Whitespace

Delete every space, tab and line break.

Collapse Blank Lines

Reduce multiple blank lines to one.

kebab-case Converter

Convert any text to kebab-case.

CONSTANT_CASE Converter

Convert text to UPPER_SNAKE_CASE.

dot.case Converter

Convert text to dot.case notation.

Sentence case Converter

Capitalize the first letter of each sentence.

Swap Case

Invert the case of every letter.

Character & Word Counter

Count characters, words, lines and bytes.

Character Frequency

Count how often each character appears.

Repeat Text

Repeat a block of text N times.

Add Bullet Points

Prefix each line with a bullet.

LLM Token Estimator

Estimate token count for AI prompts.

Zero-Pad Numbers

Pad numeric lines with leading zeros.