Format JSON, decode JWTs, test regex, convert colors and more — all free, all instant, all private. No sign-up ever.
We obsess over three things: speed, privacy, and zero friction. Every tool is a reflection of that.
All tools process locally in your browser. Zero server round-trips — millisecond results, even offline.
Your data never leaves your device. We have zero server access to what you type — ever.
No usage limits, no premium tier, no account needed. Every feature of every tool — free.
Fully responsive on all devices and browsers. Same experience on desktop or your phone.
No pop-ups. No cookie walls. No newsletter interruptions. Just the tool — nothing blocking your flow.
New tools added based on user requests. Need something specific? Tell us — we'll build it free.
Tell us what developer tool you need and we'll add it to RankStreak — for free, no waiting list, no sign-up required.