All Free Online Tools
18+ free browser-based tools for developers, marketers, and everyday users. No signup. No watermark. No limits.
18 tools
18+ Tools
100% Free
No Login
Privacy First
Unlimited Use
QR Code Generator
Create QR codes for URLs, WiFi, WhatsApp, email, phone, SMS, vCard, and image. Custom colors, PNG & SVG download.
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WiFi QR Code
Generate a WiFi QR code so guests connect instantly — no typing passwords. Works with WPA, WPA2, and open networks.
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WhatsApp QR Code
Create a QR code that opens a WhatsApp chat with a pre-filled message. Perfect for customer support buttons and flyers.
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vCard QR Code
Turn your contact information into a digital business card. Scan once to save name, phone, email, company, and website.
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URL QR Code
Convert any link into a scannable QR code. Ideal for business cards, packaging, flyers, and digital marketing campaigns.
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Email QR Code
Encode an email address, subject line, and body into a QR code. Scanning opens the mail app with everything pre-filled.
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Phone QR Code
Generate a click-to-call QR code. One scan opens the phone dialer with the number ready to dial — no typing needed.
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SMS QR Code
Create an SMS QR code that opens the messaging app with a phone number and message body pre-filled. Great for opt-in campaigns.
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Barcode Generator
Generate Code 128, EAN-13, EAN-8, UPC-A, Code 39, and ITF-14 barcodes. Bulk generation with ZIP download. PNG & SVG.
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JSON Formatter
Paste minified or messy JSON and get clean, indented output instantly. Validates syntax, minifies, sorts keys, and converts XML/CSV to JSON.
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XML Formatter
Beautify and validate XML documents. Pretty-print with proper indentation, detect syntax errors, and minify for production.
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Base64 Encoder / Decoder
Encode plain text or files to Base64, or decode Base64 strings back to readable text. Instant, browser-based, completely private.
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JWT Decoder
Inspect and decode any JWT token. See the header, payload, and expiry date. Verify algorithm, claims, and token structure in one click.
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URL Encoder / Decoder
Percent-encode URLs for safe transmission, or decode encoded strings. Handles full URLs, query strings, and individual components.
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Password Generator
Generate cryptographically secure random passwords. Control length, uppercase, lowercase, numbers, and symbols. Never leaves your browser.
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Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-512, SHA-384, and bcrypt hashes. Instant, offline-capable, and safe — your data never leaves your browser.
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Code to Image
Convert code snippets into beautiful, shareable images with syntax highlighting. 20+ languages, 8 themes, PNG download — no watermark.
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Free QR & Barcode API
Generate QR codes and barcodes via a simple GET request. No API key needed for the free tier — returns PNG, SVG, or base64.
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Why CodePrints
Every Tool. Zero Cost. No Compromise.
Built for speed, privacy, and simplicity. Use any tool — instantly, in your browser, without ever creating an account.
Instant Results
Everything updates in real time. No waiting, no page reloads — just fast, responsive tools.
100% Private
Your input never leaves your browser. We do not store, log, or sell any data you enter.
Mobile-Friendly
Every tool is fully responsive and works perfectly on phones, tablets, and desktops.
Truly Unlimited
No daily caps, no rate limits, no paywalls — ever. Use any tool as many times as you need.
FAQ
Frequently Asked Questions
Yes — every tool on CodePrints is completely free. No subscription, no account, no hidden fee. Just open the tool and use it.
No. All tools run directly in your web browser — no downloads, no extensions, and no server-side processing of your data.
Yes. Processing happens in your browser using JavaScript. Your data never gets sent to our servers. We never store, share, or sell anything you enter.
Absolutely. Every tool is designed mobile-first and works perfectly on smartphones and tablets, in any modern browser.
There are no limits. You can use any tool as many times as you want, generate as many QR codes or barcodes as you need, and format as much JSON as you like.
No. QR codes you generate are standard image files — they never expire. Once you download a QR code, it works forever.
QR codes and barcodes download as PNG or SVG. Code images download as high-resolution PNG. SVG files are vector-based and scale to any size without losing quality.
Yes. CodePrints offers a free REST API for generating QR codes and barcodes programmatically. No API key is required for the free tier.
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