Client Side Tools
6290 tools available
These tools run entirely in your browser. Everything you enter, from text and numbers to images, PDFs, and other files, is processed locally on your device and never uploaded to a server. No sign up or installation needed.
Convert JSON data to plain text by flattening nested structures into key-value pairs, values only, or keys only.
Visualize a multi-city flight route on a map and calculate the distance for each leg. Enter airport codes separated by hyphens (e.g. ATL, LHR, HND) using IATA or ICAO codes.
Calculate number of floors, building height, or floor height from any two known values. Also computes ceiling clear height, stair steps per floor, and total stair steps.
Calculate the total number of pixels in a resolution by entering width and height. Includes presets for common display resolutions like 1080p, 4K, and 8K.
Generate palindrome numbers with configurable digit count, base (decimal, binary, octal, hexadecimal), and quantity.
Convert file paths between Windows and Linux formats
Calculate how many calendar and working days remain until your project deadline. Track progress with start date, end date, and configurable working days.
Parse and decode magnet links to extract info hash, display name, file size, trackers, and more.
Convert plain text into hard-to-read styles like Zalgo, upside down, mirror, leetspeak, strikethrough, small caps, and more.
Generate PostgreSQL connection strings in URL, psql, and libpq key=value formats.
Generate MySQL connection strings in URL, CLI command, and JDBC formats.
Open geographic coordinates in multiple map providers including Google Maps, Bing Maps, Yandex Maps, Apple Maps, OpenStreetMap, HERE Maps, Waze, 2GIS, and more.
View your browser fingerprint and all underlying signals reported by FingerprintJS, including canvas, audio, fonts, and hardware data.
Test which JavaScript APIs and browser features are supported in your current browser.
Calculate the Chromaprint acoustic fingerprint of any audio file in your browser. Compatible with AcoustID for song identification.
Interactive angle measurer with a draggable protractor. Displays degrees, radians, complementary and supplementary angles.
Convert milliseconds to a human-readable time duration. See the breakdown in days, hours, minutes, seconds, and milliseconds.
Build campaign tracking URLs with UTM parameters for Google Analytics and other analytics platforms.
Extract and download thumbnails from any YouTube video by URL or video ID. Supports multiple quality levels from default to max resolution.
Convert any UTC datetime string to local time in any timezone. Paste a UTC timestamp, select your target timezone, and instantly see the converted date and time
Generate one or more random letters from alphabet. Choose uppercase, lowercase, or both.
A simple calculator for arithmetic expressions — addition, subtraction, multiplication, and division.
Instantly find the CSS color name for any color. Pick any hex, RGB, or HSL value and discover its closest W3C/CSS named color with perceptual accuracy.
Calculate distance and similarity between numeric vectors using methods including cosine, euclidean, jaccard, and more.