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CodeToolTip
20+ dev tools, browser-only, blazing fast & zero ads
Privacy-first developer toolkit with 20+ essential tools: JSON formatter, Base64 encoder, JWT decoder, AES/RSA encryption, UUID generator, image converter & more. Zero server calls, no ads, blazing fast. Everything runs locally in your browser for maximum speed and security.
Hey Product Hunt! 👋
I'm the maker of CodeToolTip — and I built it out of pure frustration.
As a backend engineer working daily with NestJS and Node.js, I was constantly jumping between tabs — JSONLint to format a payload, Base64Decode to inspect a token, JWT.io to debug auth issues, CyberChef to run a quick AES decrypt. Every single one of those sites is either:
❌ Riddled with ads that slow everything down
❌ Sending your sensitive data (JWTs, API keys, encrypted strings) to external servers
❌ Cluttered with complexity when you just need one quick result
So I built CodeToolTip — a clean, fast, privacy-first developer toolkit that runs 100% in your browser.
🛠️ What's inside (20+ tools across 6 categories):
• JSON Tools — Formatter, Minifier, Validator, Diff Checker, JSON to XLSX
• Encoding — Base64 Encoder/Decoder, URL Encode, Hex to ASCII
• Crypto — AES Encrypt/Decrypt, RSA Encrypt/Decrypt, Hash Generator (MD5, SHA-256, SHA-512)
• JWT Decoder — Inspect tokens safely, nothing ever leaves your machine
• Image Tools — Format Converter, Image to Base64, Base64 to Image
• Data Tools — UUID Generator, Word Counter, SQL Formatter
⚡ Why CodeToolTip is different:
✅ 100% browser-based — zero server calls, zero data uploads
✅ Blazing fast — no page reloads, instant results
✅ Zero ads — clean UI, no distractions
✅ Privacy-first — your JWTs, keys, and encrypted data stay on YOUR machine
✅ No sign-up required — open and use immediately
🔒 Privacy matters more than ever. When you paste a JWT or an AES-encrypted payload into a random online tool, you have no idea what happens to it on the server side. With CodeToolTip, there IS no server side.
Used by developers across USA, UK, India, China, and Japan for their daily workflows.
💬 I'd love your feedback:
— Which tools do you use most?
— What other utilities should I add next?
— How can I make the developer experience even better?
Try it free at codetooltip.com — no sign-up, no ads, no nonsense. Just tools that work. 🚀
About CodeToolTip on Product Hunt
“20+ dev tools, browser-only, blazing fast & zero ads”
CodeToolTip was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #138 on the daily leaderboard. Privacy-first developer toolkit with 20+ essential tools: JSON formatter, Base64 encoder, JWT decoder, AES/RSA encryption, UUID generator, image converter & more. Zero server calls, no ads, blazing fast. Everything runs locally in your browser for maximum speed and security.
On the analytics side, CodeToolTip competes within Productivity, Privacy and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how CodeToolTip performed against the three products that launched closest to it on the same day.
Who hunted CodeToolTip?
CodeToolTip was hunted by Ayush Gupta. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of CodeToolTip including community comment highlights and product details, visit the product overview.
Ayush Gupta