UTMStamp
Companies send thousands of emails daily. Every email has a signature. Nobody tracks any of it. Built UTMStamp in 13 days — from idea to live SaaS — to fix that.
Marketing teams obsess over every ad click, every UTM parameter on every campaign link. But the single channel that touches every customer interaction — email signatures — gets completely ignored. Teams spend hours creating beautiful signatures, push them across the org, and then... nothing. No click data. No attribution. No way to know if that "Book a Demo" banner actually drives anything.
Existing tools like Exclaimer and WiseStamp charge $2-4/user/month, require IT setup, and still don't track UTM parameters properly. They treat signatures as a design problem. The real problem is attribution — knowing which banner, which link, which team member's signature actually generates pipeline.
UTMStamp was built to prove a point: a full SaaS product — signature builder, campaign banners, UTM auto-tracking, team management, analytics dashboard — can be shipped in 13 days by one person with the right product instincts and enough coffee.
Every decision had a reason.
Free forever, not free trial
Most signature tools gate everything behind a trial or paywall. You can't even see what the product does before committing. That kills adoption for a tool that needs to be deployed across an entire team.
Free forever plan with real value. Create signatures, use templates, get basic analytics — all free. Pay when you need team management, advanced campaigns, and custom branding. Let the product sell itself.
Experience connection: At ZeoAuto (YC W20), worked on pricing strategies that drove a 10% activation boost for 500K users. The key learning: small friction = massive drop-off. If you ask for a credit card before showing value, you've already lost. Applied the same PLG philosophy — get users in, show value immediately, let usage drive upgrades.
62 banner templates — not a blank canvas
A blank canvas is intimidating. Most marketing teams don't have a designer dedicated to email signatures. They need ready-to-use templates they can customize — not a design tool they need to learn.
62 pre-designed campaign banners covering webinars, product launches, hiring, events, seasonal promos, and more. Pick a template, swap the text and link, deploy. From zero to live campaign banner in under 60 seconds.
Experience connection: At ZYOD, managed 30 people across product, design, and engineering. The biggest productivity killer wasn't bad tools — it was blank-slate tools that required training. Templates that work out of the box beat customizable editors every time. Same principle: reduce time-to-value to near zero.
Live preview — what you see is what you send
Email signatures render differently in Gmail, Outlook, Apple Mail, and mobile clients. The #1 fear when deploying signatures across a team: "will it look broken?" Every change in the editor updates the preview instantly — no save-and-refresh loops.
The preview shows exactly how the signature will render in an email client. Confidence before deployment. Edit the name, see it update. Swap the banner, see it change. No guesswork.
Experience connection: At GoMechanic, the iOS app redesign taught a critical lesson: users don't trust what they can't see. The Miles membership grew 200% partly because we made the value tangible and visual at every step. Same instinct here — show the output in real time, eliminate the anxiety of "will this work?"
Automatic UTM tracking — zero manual work
This is the feature that names the product. Every link in every signature gets UTM parameters automatically — source, medium, campaign, content. No manual tagging. No UTM builder spreadsheets. No human error.
The analytics dashboard shows exactly which banners get clicked, which team members drive the most engagement, and which campaigns actually convert. Attribution that marketing teams have been guessing at for years.
Experience connection: At ZYOD, built a QR-code WMS that unlocked ₹11-12 Cr ($1.4M) in blocked working capital. The secret wasn't complex tech — it was making invisible data visible. Same principle: email signatures generate data every day, nobody captures it. UTMStamp makes the invisible visible.
Team deployment — one click, entire org
Individual signature tools are a toy. The real value is deploying consistent, branded signatures across an entire organization. One template, personalized per team member, pushed in a single action.
Admin creates the signature design, sets the campaign banner, and deploys to the team. Each team member gets their personalized version — same design, same banner, their name and details. Brand consistency without chasing individuals.
Experience connection: At ZYOD, scaled a product team to 30 people across product, design, and engineering. The challenge was always consistency — everyone doing their own thing kills brand and process. Built deployment systems that ensured consistency at scale. UTMStamp's team deployment is the same idea: set the standard once, deploy everywhere.
Everything that shipped
Core Product
- → Signature builder with live preview
- → 62 campaign banner templates
- → Automatic UTM parameter injection
- → Click analytics dashboard
- → Team signature deployment
- → Custom branding options
- → One-click copy to clipboard
Growth & Onboarding
- → Free forever plan (PLG model)
- → Self-serve onboarding — no demo needed
- → Landing page with social proof
- → Pricing page with clear tiers
- → Built-in-public journey documented
- → SEO-optimized marketing pages
- → Email collection for waitlist
Technical
- → Next.js + React + TypeScript
- → Vercel deployment with CI/CD
- → Click tracking via redirect URLs
- → Email-client-safe HTML rendering
- → Responsive signatures (desktop + mobile)
- → Mixpanel for product analytics
- → Custom domain support