GameParticles

Free online tools for text, numbers, colors and code

Featured tools

A live look at what each one doesAll tools
Image CompressorCompress JPG, PNG, WebP and AVIF images. Set quality, convert formats, resize, and batch download as ZIP.Images
Background RemoverBulk remove backgrounds from any image at 2K, 4K, full resolution. Free with AI.Images
Base64 Encode / DecodeEncode text to Base64 or decode Base64 back to plain text.Developer
Color ConverterConvert colors between HEX, RGB, HSL and HSV instantly.Colors

Image Tools

Resize, compress, convert, crop, filter and more

All 12 tools →
🪄
Background Remover
Bulk remove backgrounds from any image at 2K, 4K, full res. Free with AI.
Try it free →
🗜️
Image Compressor
Compress JPG, PNG, WebP & AVIF. Set quality, batch download as ZIP.
📐
Image Resizer
Resize to exact dimensions with aspect ratio lock and format selection.
⚡
WebP Converter
Convert any image to WebP instantly.
✂️
Image Cropper
Crop with aspect ratio presets, rotate and flip.
✨
Image Filters
Instagram-style filters with live preview.
⊞
Image Splitter
Split any image into a grid and download as ZIP.
Color Palette ExtractorImage CollageImage → Base64QR Code Generator

Developer

17 tools

JSON Formatter

Format, validate and minify JSON with syntax highlighting.

Developer

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to plain text.

Developer

URL Encoder / Decoder

Encode or decode URL components and query strings.

Developer
New

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.

Developer

UUID Generator

Generate UUIDs v4 (random) in bulk with one click.

Developer
New

Regex Tester

Test regular expressions against text with live match highlighting.

Developer
New

JWT Decoder

Decode and inspect JWT tokens: header, payload, claims and expiry.

Developer
New

Cron Expression Builder

Build cron expressions visually with a plain English summary and next run times.

Developer
New

Diff Checker

Compare two text blocks side-by-side and see additions, deletions and unchanged lines.

Developer
New

JSON ↔ CSV Converter

Convert JSON arrays to CSV or CSV files back to JSON with full quote and escape support.

Developer
New

YAML ↔ JSON Converter

Convert YAML to JSON or JSON to YAML instantly with a built-in parser.

Developer
New

SQL Formatter

Beautify and format SQL queries with proper indentation and keyword styling.

Developer
New

HTML Entity Encoder

Encode special characters to HTML entities and decode entities back to text.

Developer
New

String Escape / Unescape

Escape and unescape strings for JSON, JavaScript, Regex, URL and HTML.

Developer
New

CSV ↔ TSV Converter

Convert CSV to TSV or TSV to CSV. Handles quoted fields and embedded commas.

Developer
New

JSON ↔ XML Converter

Convert JSON to XML or XML to JSON with proper nesting and formatting.

Developer
New

Markdown → HTML

Convert Markdown to clean HTML output, ready to paste anywhere.

Developer

Text

5 tools

Word Counter

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

Text

Case Converter

Convert text between UPPER, lower, Title, camelCase, snake_case and more.

Text

List Sorter

Sort, reverse, deduplicate and shuffle lists of text.

Text
New

Markdown Preview

Write Markdown and see a live rendered preview side by side.

Text
New

Lorem Ipsum Generator

Generate placeholder text: paragraphs, sentences, words or list items.

Text

Numbers

7 tools

Percentage Calculator

Calculate percentages, increases, decreases and what % one number is of another.

Numbers
New

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal instantly.

Numbers
New

Unit Converter

Convert length, weight, temperature, volume, area and speed. All units at once.

Numbers
New

Roman Numeral Converter

Convert between Roman numerals and decimal numbers instantly.

Numbers
New

Fraction ↔ Decimal Converter

Convert fractions to decimals and percentages. Simplified form shown.

Numbers
New

Scientific Notation Converter

Convert between standard numbers, scientific notation and engineering notation.

Numbers
New

Data Size Converter

Convert between bytes, KB, MB, GB, TB with binary (KiB) and decimal modes.

Numbers

Colors

5 tools

Color Converter

Convert colors between HEX, RGB, HSL and HSV instantly.

Colors
New

Color Palette Generator

Generate complementary, analogous, triadic and split-comp palettes from any hex color.

Colors
New

Contrast Checker

Check WCAG AA/AAA contrast ratios between foreground and background colors.

Colors
New

Gradient Generator

Build CSS gradients visually with live preview. Export as CSS, Tailwind or SVG.

Colors
New

Color Name Finder

Find the CSS name of any color. Paste a hex or use the picker.

Colors

Random

2 tools

Password Generator

Generate strong, secure passwords with custom length and character sets.

Random

Random Number Generator

Generate random integers or decimals in any range.

Random

Date & Time

5 tools

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Date & Time
New

Duration Calculator

Calculate the exact time between two dates: years, months, days, hours and seconds.

Date & Time
New

Timezone Converter

Convert a date and time across 30+ world timezones instantly.

Date & Time
New

Stopwatch & Timer

Precision stopwatch with lap splits and a countdown timer.

Date & Time
New

Pomodoro Timer

Focus timer: 25 min work, 5 min break cycles with session tracking.

Date & Time

Take a break. Play a game.

Quick browser games, zero download. Just open and play.

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JSON Formatter
Developer · Format, validate and minify JSON with syntax highlighting.
↵
Base64 Encode / Decode
Developer · Encode text to Base64 or decode Base64 back to plain text.
↵
URL Encoder / Decoder
Developer · Encode or decode URL components and query strings.
↵
Hash Generator
Developer · Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.
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UUID Generator
Developer · Generate UUIDs v4 (random) in bulk with one click.
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Regex Tester
Developer · Test regular expressions against text with live match highlighting.
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Word Counter
Text · Count words, characters, sentences, paragraphs and reading time.
↵
Case Converter
Text · Convert text between UPPER, lower, Title, camelCase, snake_case and more.
↵
List Sorter
Text · Sort, reverse, deduplicate and shuffle lists of text.
↵
Markdown Preview
Text · Write Markdown and see a live rendered preview side by side.
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Percentage Calculator
Numbers · Calculate percentages, increases, decreases and what % one number is of another.
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Color Converter
Colors · Convert colors between HEX, RGB, HSL and HSV instantly.
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Snake
Arcade · Eat food, grow longer, don't hit the walls. A timeless classic.
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2048
Puzzle · Slide tiles and combine them to reach the legendary 2048 tile.
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Word Grid
Puzzle · Guess the hidden five letter word in six tries using color clues.
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Sudoku
Puzzle · Fill the 9x9 grid with logic. Four difficulties from easy to expert.
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Minesweeper
Strategy · Use number clues to clear the minefield. Classic logic, three levels.
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Breakout
Arcade · Smash every brick with paddle and ball. Power-ups, combos, endless levels.
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Typing Test
Casual · Measure your WPM and accuracy over 30 seconds to 5 minutes. Find your weak keys.
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