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🧩 Daily Puzzle: Can you decode today's Base64 riddle? Scroll down to try! 🆕 Constantly growing our toolbox — press Ctrl+D (or ⭐️) to bookmark us! 🎁 Free Cheatsheet: Developer encoding reference PDF — download free 💡 Pro Tip: Chain tools — encode to Base64, then generate a QR code in 30 seconds! 🧩 Daily Puzzle: Can you decode today's Base64 riddle? Scroll down to try! 🆕 Constantly growing our toolbox — press Ctrl+D (or ⭐️) to bookmark us! 🎁 Free Cheatsheet: Developer encoding reference PDF — download free 💡 Pro Tip: Chain tools — encode to Base64, then generate a QR code in 30 seconds!
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QR codes · Base64 · JSON · Passwords · Hashes & 35+ more tools — running 100% in your browser. Zero data sent to servers. Forever free.

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This Week's Featured Tool

Manually curated every week — the most useful tool for your workflow

📱
Week of March 17, 2026
QR Code Generator

Generate custom QR codes for URLs, WiFi networks, contact cards, events, and 12 more types — instantly, in your browser, with no signup needed.

15 QR code types — URL, WiFi, vCard, SMS & more
Custom colors, logo embed, download PNG/SVG
Works 100% in browser — zero data uploaded
Free forever, no account needed
Open Tool Free →

40+ Free Online Tools

Zero uploads · Zero tracking · Instant results · Always free

📱
QR Code Generator
URLs, WiFi, vCards, events — 15 types free.
🏷️
Barcode Generator
Code 128 & Code 39 barcodes free.
🔍
QR Code Scanner
Upload image to decode any QR code.
🔐
Base64 Encoder / Decoder
Encode or decode Base64 instantly.
🔗
URL Encoder / Decoder
Encode special URL characters.
🛡️
MD5 / SHA-256 Hash
Generate MD5, SHA-1/256/512 hashes.
📡
Morse Code Converter
Text to Morse or decode back.
🔑
JWT Token Decoder
Decode JWT header, payload, signature.
📊
Word & Character Counter
Count words, chars, sentences.
🔡
Case Converter
UPPER, lower, Title, camel, snake.
📋
JSON Formatter
Beautify, minify, validate JSON.
🔒
Password Generator
Generate strong secure passwords.
🆔
UUID / GUID Generator
v1 & v4 UUIDs for databases, APIs.
🔎
Regex Tester
Test regex with live highlighting.
⏱️
Timestamp Converter
Epoch timestamp to date and back.
CSS / JS Minifier
Minify code, reduce file size.
🖼️
Image to Base64
Convert PNG, JPG, GIF, WebP.
Favicon Generator
Multi-size favicon.ico generator.
🔢
Number Base Converter
Binary, Decimal, Hex, Octal.
📊
CSV ↔ JSON Converter
Convert CSV to JSON or back.
🎨
Color Picker & Converter
HEX, RGB, HSL, CMYK converter.
🌈
CSS Gradient Generator
Linear & radial gradients with CSS.
📄
Lorem Ipsum Generator
Placeholder text for mockups.
🏷️
HTML Entity Encoder
Convert HTML special characters.
📖
Latest from our Blog
How to Use QR Codes for Your Business in 2026 — Complete Guide
5 min read · QR Codes · Free tips & strategies

New Free Tools

Fresh tools added every month — check back regularly

🔑
JWT Token Decoder
Decode JSON Web Tokens — header, payload, signature instantly.
Added March 2026
Favicon Generator
Convert any image to multi-size favicon.ico for your website.
Added February 2026
🔎
Regex Tester
Test regular expressions with live match highlighting.
Added February 2026
📊
CSV ↔ JSON Converter
Convert between CSV and JSON formats instantly in browser.
Added January 2026

Get More From Your Tools

Genuine coding tips from our team — useful for developers, students & designers

🔐
Tip #1
Chain Your Tools
Encode text to Base64, then generate a QR code from the encoded string. Creates a double-encoded secret message — great for games, escape rooms, or private sharing.
Try Base64 Encoder →
🛡️
Tip #2
Verify File Integrity
Before downloading software, hash the file with SHA-256. After download, hash again. If both match, the file is untampered. This is how professionals verify downloads.
Try Hash Generator →
📱
Tip #3
WiFi QR Code for Your Shop
Create a QR code for your WiFi network. Customers scan it to connect instantly — no more reading out your password. Print it and stick it at the counter.
Create WiFi QR Code →
📋
Tip #4
Debug JSON Errors Fast
Paste broken JSON into our formatter — it highlights the exact line where the error is. Much faster than staring at a wall of minified JSON trying to spot a missing comma.
Try JSON Formatter →
🔒
Tip #5
Strong Passwords in Seconds
Use 20+ characters with symbols, numbers and letters. Our generator creates passwords that would take billions of years to crack — and nothing is stored on our end.
Generate Strong Password →
🔗
Tip #6
Fix Broken URLs
If a URL has spaces or special characters (like &, =, ?) it will break. URL-encode it first to convert those characters to safe percent-encoded equivalents.
Try URL Encoder →
🎁
Free Developer Encoding Cheatsheet
Base64, URL encoding, JSON rules, Regex basics, Hash types — all essential references in one clean PDF. No email required, no strings attached.
📥 Download Free PDF
Free forever · No email · No signup · Just useful
🧩 Daily Brain Teaser

Can You Crack
Today's Code?

Every day a fresh encoding puzzle — Base64, Morse code, Binary, or URL encoding. Solve it, build your streak, and level up your developer knowledge. 100% free, no account needed.

0
Day Streak
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Solved Total
0
Best Streak
🔐
Base64 Challenge
Decode the message
--:--:--
Decode this Base64 string:
What does this decode to?
SGVsbG8gV29ybGQ=
0
Score
0
Tried
Accuracy

Simple as 1–2–3

No account. No software. No waiting.

1

Choose a Tool

Browse categories or search to find any of our 40+ free tools instantly.

2

Enter Your Data

Paste or type your input. Everything processes in your browser — nothing uploaded anywhere.

3

Copy or Download

Get results instantly. Copy to clipboard or download your file in one click.

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100% Private

No server uploads, no data storage, no tracking. Your data stays on your device.

Built Different

Privacy, speed, and simplicity — not an afterthought.

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100% Private

Every tool runs in your browser. Your data never touches our servers — not ever.

Blazing Fast

No server round-trips. Instant results — encode, decode, generate in milliseconds.

📱

All Devices

Fully responsive on desktop, tablet, and mobile. Same great experience everywhere.

Accessible

Built with WCAG 2.1 AA standards. Screen reader friendly and keyboard navigable.

🆓

Forever Free

No freemium traps, no usage limits, no signup walls. Every tool free, unlimited, always.

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Always Growing

New free tools added monthly based on your requests and feedback.

Built for Everyone,
Trusted Worldwide

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Your Privacy Is Our Priority

Unlike most online tools, The Encoded Box processes everything 100% locally in your browser. No backend, no database, no accounts — we literally cannot access your data.

Passwords, QR content, WiFi credentials, contact details — all processed on your device and gone when you close the tab.

✅ No Data Stored ✅ No Signup ✅ No Tracking ✅ Client-Side Only ✅ GDPR Compliant ✅ Free Forever
🐞 Found a bug or any issue?
💡 Pro Tip
🔐Try this tool →
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Before you go — try one more!
You haven't tried all 40+ free tools yet. Here are some popular ones:
🔒 Password Generator
📋 JSON Formatter
🔐 Base64 Encoder
🛡️ Hash Generator