All tools

Everyday (7)

Converters, calculators and generators for day-to-day tasks.

Unit Converter

Length, weight, temperature, volume and more — with a full conversion table.

Everyday

Random Picker & Spin Wheel

Pick a random winner or number using a genuinely unbiased draw.

Everyday

QR Code Generator

Create QR codes for links, text and Wi-Fi. Download as PNG or SVG.

Everyday

Signature Maker

Draw or type a signature and download it as a transparent PNG.

Everyday

Video & Audio Downloader

Download video and audio you have the rights to save from supported sites.

Everyday

Needs network

Large File Downloader

Free online large file downloader.

Everyday

Time Zone Converter & Meeting Planner

Convert times between zones and see when working hours overlap.

Everyday

Finance (7)

Loan, interest, tax and currency calculators.

Salary & Hourly Wage Converter

Convert a salary between hourly, monthly and yearly. Compare offers.

Finance

Loan & EMI Calculator

Monthly payment, total interest and a full amortization schedule.

Finance

Compound Interest & SIP Calculator

See how savings and monthly investments grow over time.

Finance

GST & Sales Tax Calculator

Add or remove GST, VAT or sales tax at any rate.

Finance

Currency Converter

Convert 160+ currencies with daily-updated exchange rates.

Finance

Invoice Generator

Build a professional invoice and download it as a PDF.

Finance

Forex Margin & Pip Calculator

Margin, pip value and position size for forex trades.

Finance

Health & Fitness (2)

BMI, body fat, calorie and macro calculators.

BMI & Body Fat Calculator

BMI, healthy weight range and an estimated body fat percentage.

Health & Fitness

Calorie & TDEE Calculator

Daily calories, BMR and a macro split for your goal.

Health & Fitness

Images & PDF (10)

Edit, convert, compress and generate images and PDFs.

Image to Base64 Data URI Converter

Turn an image into a Base64 data URI for CSS or HTML, and back.

Images & PDF

PDF Editor

Merge, split and rotate PDFs, and convert between PDF and images.

Images & PDF

Photo Editor

Crop, resize, rotate and filter photos, then export in any format.

Images & PDF

Background Remover

Remove a photo background with on-device AI.

Images & PDF

Watermark Remover

Free online watermark remover.

Images & PDF

Image Resizer & Cropper

Resize to exact or preset sizes, several images at a time.

Images & PDF

Image Converter & Compressor

Convert between PNG, JPEG and WebP, resize and compress.

Images & PDF

PDF to Text & Word Converter

Extract the text from a PDF and save it as a document.

Images & PDF

Favicon Generator

Generate every favicon size a website needs.

Images & PDF

Drawing Pad — Draw, Paint & Sketch Online

Draw, paint and sketch with brushes, shapes, arrows and text.

Images & PDF

Text & Writing (7)

Count, convert, compare and format text.

Word & Character Counter

Word, character and reading-time counts as you type.

Text & Writing

Case Converter

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

Text & Writing

Text Diff Checker

Compare two blocks of text and highlight every difference.

Text & Writing

Markdown Preview

Write Markdown and see the rendered HTML instantly.

Text & Writing

Lorem Ipsum Generator

Generate placeholder text by word, sentence or paragraph.

Text & Writing

Text Toolkit — Sort, Dedupe & Clean Lines

Sort lines, remove duplicates, trim whitespace and renumber at once.

Text & Writing

Text to Voice

Turn any text into natural speech with multiple AI voices — runs on your device.

Text & Writing

Security (2)

Password and hash generators.

Hash Generator (SHA-1, SHA-256, MD5)

MD5, SHA-1, SHA-256 and SHA-512 checksums.

Security

Encrypt & Decrypt Text and Files

Encrypt or decrypt text and files with AES, ChaCha20 or XChaCha20 in your browser — nothing uploaded.

Security

Developer (21)

Formatters, encoders and debugging tools for developers.

Colour Contrast Checker (WCAG)

Check colours against WCAG AA and AAA, and get a passing shade.

Developer

YAML to JSON Converter

Convert YAML to JSON and back, with errors pinned to the line.

Developer

New

CSS Gradient & Shadow Generator

Build gradients and shadows visually, then copy the exact CSS.

Developer

New

JSON Formatter & Validator

Pretty-print, validate and minify JSON with clear errors.

Developer

Regex Tester

Test regular expressions live with highlighted matches.

Developer

Base64 Encoder / Decoder

Encode and decode Base64 text and data URLs.

Developer

URL Encoder / Decoder

Percent-encode and decode URLs and query strings.

Developer

Unix Timestamp Converter

Convert between Unix timestamps and human dates.

Developer

UUID / GUID Generator

Generate v4 UUIDs one at a time or in bulk.

Developer

JWT Decoder

Decode a JWT header and payload without sending it anywhere.

Developer

Cron Expression Generator

Build and explain cron schedules in plain English.

Developer

CSV to JSON Converter

Convert CSV to JSON and back, with header detection.

Developer

HTML Encoder / Decoder

Escape and unescape HTML entities.

Developer

Number Base Converter

Convert between binary, octal, decimal and hex.

Developer

CSS Minifier & Beautifier

Minify CSS for production or expand it for editing.

Developer

XML Formatter & Validator

Format, indent and validate XML documents.

Developer

SQL Formatter & Beautifier

Format SQL queries into readable, consistent style.

Developer

IP Subnet Calculator

CIDR ranges, masks, host counts and broadcast addresses.

Developer

Color Converter

Convert between HEX, RGB, HSL and named colours.

Developer

Color Palette Generator

Build harmonious colour schemes from any base colour.

Developer

Device Info & Screen Size Detector

Detect your screen size, device model, browser and supported features.

Developer

New

Network & Domain (8)

WHOIS, DNS, SSL and HTTP inspection tools.

WHOIS Lookup

Domain registration, registrar, expiry and nameservers.

Network & Domain

Needs network

DNS Lookup

A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records.

Network & Domain

HTTP Headers Checker

Inspect response headers and check security headers.

Network & Domain

Needs network

IP Address Info

Reverse DNS, network class and binary or hex representations.

Network & Domain

User Agent Parser

Identify browser, engine, operating system and device.

Network & Domain

Web Proxy — Browse Any Website via Proxy

Free online web proxy — browse any website via proxy.

Network & Domain

Needs networkNew

LAN File Transfer — Send Files Over WiFi

Free online lan file transfer — send files over wifi.

Network & Domain

New

WAN File Transfer — Send Files Over the Internet

Free online wan file transfer — send files over the internet.

Network & Domain

Needs networkNew

Quick conversions

Straight answers for the conversions people look up most, each with a calculator, the formula and a reference table.

Browse the conversion reference →