QR Code Generator
Create a downloadable QR code from any text, link or contact detail in seconds — entirely in your browser.
QR Code Generatorの使い方
- 1
Type or paste the text, URL or contact info you want to encode.
- 2
Choose a size and error-correction level.
- 3
Download the generated QR code as a PNG image.
QR Code Generatorの機能
- Supports any plain text, including URLs, Wi-Fi credentials or contact details.
- Adjustable size and error-correction level, for print or screen use.
- Generated entirely in your browser — nothing is sent to a server.
Tool Kingが選ばれる理由
高速
待ち時間や登録は不要。ほとんどのファイルは数秒で完成します。
プライバシー重視
ファイルはメモリ上で処理され、処理後すぐに破棄されます — 保存や共有は一切されません。
無料
すべてのツールが無料で、基本機能に隠れた制限はありません。
よくある質問
関連ガイド
What is DNS? A plain-English explanation
How your browser turns a domain name like example.com into the server it actually talks to — explained in plain English.
ガイドを読むWhat is SSL? Understanding the padlock in your browser
Why that little padlock icon matters, and what it actually verifies — explained in plain English, with no security jargon required.
ガイドを読むHow HTTPS actually works, step by step
The handshake that happens before a single byte of a webpage is loaded — explained step by step, in plain, jargon-free English.
ガイドを読む関連ツール
Password Generator
Generate strong, random passwords.
UUID Generator
Generate random UUID v4 identifiers.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes.
QR Code Scanner
Upload a QR code image and instantly decode its contents.
Barcode Generator
Generate CODE128, EAN-13 and other common barcode formats.
URL Shortener
Turn a long link into a short, shareable URL.