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A collection of developer tools in one place in your browser

IG Unfollower
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Flowmeter
See Instagram unfollowers using your data export (ZIP). No password. Runs locally.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | devtoolsadvanced.com | securefollow.app |
| Pricing | — | |
| Company | — | Startup from Spain · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DevTools Advanced yet.
SecureFollow is a privacy‑first web app that analyzes your official Instagram data export (ZIP/JSON) without ever asking for your password or uploading anything. Everything runs in your browser: download your export (select “Connections → Followers and Following”), drag the ZIP into SecureFollow,...
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
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SecureFollow Demo — Instagram Unfollowers Without Login (ZIP Export)
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DevTools Advanced and SecureFollow.app.
SecureFollow.app's answer:
SecureFollow is privacy-first by design: it analyzes your Instagram relationships using your official Instagram data export (ZIP) and runs 100% locally in your browser. No login, no password, and no uploads — your files stay on your device. It’s a simple, safe alternative to unfollower tools that require account access or automation.
SecureFollow.app's answer:
SecureFollow started as a response to a common problem: most “unfollowers” apps require logging in with your Instagram account. We wanted a safer option, so we built a tool that works from the official Instagram data export and runs locally in the browser. The goal is simple: useful insights with zero credential sharing.
SecureFollow.app's answer:
Many unfollower tools ask for Instagram credentials or rely on automation, which can be risky. SecureFollow avoids that entirely by using the user’s own official export (ZIP) and processing it locally. You get clear results (unfollowers, not-following-back, mutuals) without handing over your account or data.
SecureFollow.app's answer:
SecureFollow is for Instagram users who want to check unfollowers safely: creators, influencers, community managers, and privacy-conscious users. It’s especially useful for anyone who doesn’t want to trust third‑party apps with their Instagram login.
SecureFollow.app's answer:
SecureFollow is built as a modern web app / PWA using JavaScript/TypeScript and runs entirely client‑side in the browser. It parses the Instagram export (ZIP/JSON) locally and uses browser storage for optional saved history. The site is delivered via a CDN (Cloudflare) for fast global access, with no server-side processing of user exports.
SecureFollow.app's answer:
Share your experience with using DevTools Advanced and SecureFollow.app. For example, how are they different and which one is better?
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