Lots of Tools - Free Online Tools

ASCII Table

Interactive ASCII table with search and filter functionality
Barcode Generator

Generate EAN-8, EAN-13, EAN-14, UPC-A, and UPC-E barcodes
Base64 Converter

Encode text to Base64 or decode Base64 to text
BMI Calculator

Calculate your Body Mass Index and understand what it means
Calendar

View calendar with week numbers and customizable first day of week
Color Blindness Simulator

Simulate how colors appear with different types of color blindness
Color Overview

View color information in multiple formats
Coordinate Converter

Convert between decimal coordinates and degrees/minutes/seconds (DMS)
CSV Table

Visualize CSV data as a formatted table with color coding
Dice

Roll virtual dice or flip a coin - from D3 to D20
Distance Calculator

Calculate distance between two points on a map
DNS Lookup

Query DNS records from multiple servers
Emoji Search

Search all emojis by name, shortcode, character, or Unicode codepoint. No ads, no trackers.
Favicon Generator

Generate favicon files from an image
Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text
IBAN Validator

Validate IBAN numbers and get bank information
Image Cropper

Crop images locally in your browser. No upload.
IP Address Lookup

Get geolocation and network information for any IP address. No data stored, completely private.
JSON Formatter

Format, validate and minify JSON data
Last.fm Export

Download your last.fm listening history as CSV
Letter Counter

Count characters, words, and analyze character frequency
Location Simulator

Simulate movement on a map using keyboard controls
Lorem Ipsum Generator

Generate placeholder text for your designs and mockups
Map Marker

Place a marker on the map and share the location
Map Tracer

Draw lines on a map and measure the total distance
Noise Generator

Generate white, pink, or brown noise for relaxation, focus, or sleep
Number Base Converter

Convert numbers between different bases (binary, octal, decimal, hexadecimal, custom)
QR Code Generator

Generate QR codes from text or URLs
Radius Map

Show a radius around a point on the map
Random String Generator

Generate random strings with custom length and character sets
School Holidays & Bank Holidays

View and export school holidays and bank holidays for multiple countries
Stopwatch

Online stopwatch with lap times - measure time with precision
Subtitle Converter

Convert subtitle files between different formats (SRT, ASS, VTT, TTML, and more)
Teleprompter

Display scrolling text for presentations and speeches with countdown and mirror mode
Text Diff

Compare two texts and see the differences
Time

Display the current time in analog or digital format with timezone support
Time Converter

Convert between Unix timestamps, ISO 8601, RFC formats and custom date formats
Time Since

Calculate how much time has passed since a specific date
Time Until

Calculate how much time remains until a specific date
Unit Converter

Convert between different units of measurement
URL Checker

Check if a URL is reachable and get HTTP status information
UUID Generator

Generate UUIDs in various formats
XML Formatter

Format, validate and minify XML data
YAML Formatter

Format and validate YAML (YML) data

Text

ASCII Table

Interactive ASCII table with search and filter functionality
Base64 Converter

Encode text to Base64 or decode Base64 to text
CSV Table

Visualize CSV data as a formatted table with color coding
Emoji Search

Search all emojis by name, shortcode, character, or Unicode codepoint. No ads, no trackers.
JSON Formatter

Format, validate and minify JSON data
Letter Counter

Count characters, words, and analyze character frequency
Lorem Ipsum Generator

Generate placeholder text for your designs and mockups
Text Diff

Compare two texts and see the differences
XML Formatter

Format, validate and minify XML data
YAML Formatter

Format and validate YAML (YML) data

About Lots of Tools

Lots of Tools is a collection of free online utilities for developers and everyday use. All tools are ad-free, privacy-friendly, and require no registration.

Popular Categories

  • Developer Tools: JSON Formatter, XML Formatter, YAML Formatter, Base64 Encoder, Hash Generator
  • Generators: QR Code Generator, UUID Generator, Lorem Ipsum, Barcode Generator, Random String
  • Converters: Unit Converter, Color Converter, Coordinate Converter, Subtitle Converter
  • Map Tools: Distance Calculator, Radius Map, Map Marker, Location Simulator
  • Text Tools: Letter Counter, Diff Tool, Teleprompter

Open Source: The source code is freely available. Most tools process data directly in your browser.