Moving From Multilogin X to JustBrowser in 2026: A Profile and Pricing Migration Plan

Three weeks ago I got an email from someone running 80 profiles on Multilogin X. He'd been paying $199/month for two years — $4,776 total — and just discovered JustBrowser is $9.99/month for unlimited profiles. He was annoyed. Understandably so.

"Can I just... switch everything over this weekend?"

Sort of. But not the way he was hoping.

Migration between antidetect browsers isn't a one-click operation. Multilogin X uses their Mimic browser; JustBrowser runs a native C++ Chromium engine with fingerprint modifications at the source code level. Different animals. You can't import profiles directly.

What you can transfer: cookies, proxy credentials, and the knowledge of what settings each profile needs. Fingerprint parameters get regenerated — and that's fine. (More on why in a minute.) Understanding how browser fingerprinting works helps here.

This guide walks through the full migration: Multilogin X profiles rebuilt in JustBrowser, cookies imported, proxies configured, fingerprints validated on CreepJS. Budget 15-20 minutes per high-value profile. Could be faster if you're not as paranoid as I am. Probably shouldn't be, though.

Why People Are Switching in 2026

As of July 2026: Multilogin X entry tier runs ~$99/month with profile limits, mid-tier ~$199/month for more profiles + API. JustBrowser is $9.99/month for unlimited profiles ($99.99/year). Team seats are free and unlimited.

Quick math for 60 profiles with 2 team members: Multilogin X mid-tier often runs $250-350/month. JustBrowser Pro + 1 extra seat = $68/month. That's $180-280/month savings — $2,160-3,360/year.

Multilogin X isn't overpriced for what it is. Decade of platform maturity. Enterprise support. Their team has forgotten more about detection evasion than most of us will ever learn. But if you're not using enterprise features — and most operators running 20-100 profiles aren't — you're paying for overhead you don't need.

Look, if Multilogin X is working and you're not hemorrhaging cash, stay put. Migration has costs. I've personally messed up two migrations by rushing. But if the pricing gap keeps you up at night, here's how to do it without torching your accounts.

What We're Building

By the end of this tutorial, you'll have:

Exported cookies and proxy credentials from Multilogin X
Recreated profiles in JustBrowser with matching settings
Validated fingerprints on CreepJS and Pixelscan
Tested on a non-critical account before migrating high-value profiles

This isn't magic. It's methodical, slightly tedious work. The goal is zero account flags during the transition — though I'll be honest, I've never had a completely clean migration. Something always surprises you.

(Also, fair warning: I'm biased. I work here. Take my "JustBrowser is great" claims with appropriate skepticism.)

Prerequisites

Multilogin X account with profiles you want to migrate
JustBrowser installed — 7-day trial for testing, Pro for unlimited profiles
Cookie export extension — EditThisCookie or Cookie-Editor (we'll install this)
2-4 hours for your first 10 profiles

Migrating 50+ profiles? Get JustBrowser Pro before starting — the 7-day trial is time-limited, so plan the cutover inside it.

Step 1: Document Your Multilogin X Setup

Before touching anything, audit what you're working with. This step is tedious. Do it anyway.

Open Multilogin X and create a spreadsheet:

Profile	Platform	Proxy IP	Provider	Timezone	Language	Last Active	Priority
FB-BM-01	Facebook	45.xxx.xxx.12	Bright Data	America/New_York	en-US	2026-07-15	High
AMZN-03	Amazon	192.xxx.xxx.88	IPRoyal	Europe/London	en-GB	2026-07-16	High
GADS-05	Google Ads	103.xxx.xxx.44	Smartproxy	Asia/Singapore	en-SG	2026-07-10	Medium

Why bother? Proxy IP + timezone + language must match exactly in JustBrowser. If your German proxy hits a profile configured for America/New_York, platforms notice. Fast. They're not stupid.

I skipped this step on my first migration. Four hours debugging CAPTCHA loops. Turned out I'd fat-fingered the timezone. Twenty minutes of auditing would've saved me the headache. My own fault for being lazy. For more on proxy configuration, see our residential proxy setup guide.

Step 2: Export Cookies From Multilogin X

Multilogin X doesn't have a "export all cookies" button. You'll do this per-profile.

Browser extension method (recommended):

Open the Multilogin X profile you're migrating
Install EditThisCookie or Cookie-Editor from the Chrome Web Store
Navigate to the platform (Facebook, Amazon, wherever)
Click the extension → Export → choose "Netscape format" or "JSON"
Save to a file: fb-bm-01-cookies.json

Critical: Export cookies while logged in. If your last session was two weeks ago, open the profile first, confirm you're authenticated, then export. Stale cookies won't help you.

Multilogin X API method (if you have API access):

curl -X GET "https://api.multilogin.com/v2/profile/{profile_id}/cookies" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -o cookies.json

For each profile: a cookie export file, proxy credentials, and your audit notes on timezone/language.

Step 3: Create Matching Profiles in JustBrowser

Open JustBrowser and create a new profile. Precision matters here.

Settings that MUST match: Timezone (Singapore proxy = Asia/Singapore), language (Singapore = en-SG), screen resolution (1920x1080 stays 1920x1080), and OS.

Settings that will differ (fine): Canvas hash, WebGL renderer, audio fingerprint. Different engines produce different hashes — that's expected.

Here's the thing most people stress over unnecessarily: platforms track IP + timezone consistency far more than hardware fingerprint changes. Your browser legitimately changes hardware fingerprint when you update Chrome or reinstall the OS. What's not normal: logging in from New York yesterday and Singapore today. That's suspicious. Obviously.

JustBrowser spoofs 40+ identity parameters at the Chromium engine level. The fingerprint architecture means values stay consistent under headless automation too — which, if you're running Playwright or Puppeteer, actually matters.

Proxy configuration: Enter your existing credentials exactly — same host, port, username, password, connection type. JustBrowser's proxy tester shows IP, country, and ISP classification. Verify before proceeding.

A mismatched IP is the fastest way to flag an account. I've watched people lose profiles they'd run for years because they assumed the proxy was fine. "Oh, I didn't think I needed to check." You need to check.

Step 4: Import Cookies

In JustBrowser profile settings, find the cookie import option. Paste JSON directly or upload the file.

After importing:

Open the profile
Navigate to the platform
Check if you're still logged in

Logged in? Great. Move on.

Logged out? Ugh. Troubleshoot:

Expired cookies: Profile unused for weeks = server-side session expiration. Log back in — that's fine as long as IP and timezone match.
Format mismatch: JustBrowser expects Netscape format or JSON arrays. Strip to essential fields: name, value, domain, path, expiration, secure, httpOnly.
Domain mismatch: Cookies for .amazon.com don't work on amazon.de. Export from the right domain.

Re-logging isn't a disaster. One "new device" login with consistent IP and timezone is normal behavior. What triggers flags is repeated new-device logins from inconsistent locations.

Step 5: Validate Fingerprints

Don't skip this. Open the profile, navigate to CreepJS, wait for the report. Check the "Lies" section (should be empty) and Trust Score (aim for 85%+). Run twice — same hashes both times = good. I know it's boring. Do it anyway.

Also run Pixelscan and BrowserLeaks. If something fails, check timezone vs proxy location first — that's the #1 cause. I wish the detection tools gave better error messages, but they don't, so here we are. The CreepJS testing guide covers what detection systems actually prioritize.

Step 6: Test on a Low-Stakes Account First

Pick a profile that's active but not critical — something you'd be annoyed to lose, not devastated. Run it in JustBrowser for 3-7 days with normal activity. Watch for unusual CAPTCHAs, "new device" prompts, or session drops.

No problems after a week? Migrate the next batch. Your high-value Amazon seller account can wait. The $150/month savings isn't worth losing an account you've nurtured for three years. Trust me — I've made this mistake exactly once, and once was enough. For Amazon-specific guidance, see our Amazon multi-account management guide.

Step 7: Batch Migrate Remaining Profiles

Once confident: process in batches of 5-10, run detection tests on every profile, keep Multilogin X active as backup until you've verified everything works. After practice, expect 5-10 profiles per hour.

Yes, that means paying for both tools simultaneously for a week or two. Worth it.

Common Migration Errors

Cookies import but session is gone: Cookies expired or you exported while logged out. Log back in — one "new device" login with consistent IP + timezone is fine.

Proxy fails in JustBrowser: IP whitelisting issue. Providers like Bright Data and Oxylabs require whitelisting your connection IP. Add your current IP to the provider dashboard. The ISP proxy guide covers provider-specific gotchas.

CreepJS trust score dropped: Timezone/language mismatch with proxy location. Verify settings match exactly. Also check for extension interference — test with zero extensions first.

Profile feels slower: Usually proxy latency, not the browser. Test proxy speed separately. I wasted a whole afternoon blaming JustBrowser before realizing my proxy provider had degraded. Annoying. I may have sent a mildly accusatory support ticket. They were gracious about it.

Honest Take: What We Don't Do Better

I'm not going to pretend JustBrowser beats Multilogin X everywhere.

Platform maturity: Multilogin's been at this since 2015. They've seen detection arms races we haven't.
Enterprise support: Phone support, dedicated account managers, security questionnaires for procurement — they have it, we don't. Not yet.
Edge-case detection: On mainstream platforms, both tools perform comparably. On extremely aggressive systems — banking portals, government sites — their decade of edge-case handling might matter. We're catching up, but "catching up" means we're behind.

If those things matter to your workflow, the pricing gap might be worth paying. I'm not here to tell you what your business needs — you know that better than I do.

Next Steps After Migration

Once everything's running clean: run CreepJS monthly (detection tools update constantly), review proxy health with JustBrowser's built-in tester, and explore API automation if you're running programmatic workflows — the API quickstart covers integration patterns.

For ad accounts, pair with ClickzProtect for click fraud detection. For privacy-respecting analytics, JustAnalytics works without feeding data back to the platforms you're staying clean on. If you're running team email outreach, JustEmails handles deliverability without the fingerprint leaks that Gmail business accounts create.

Migration isn't fun. Nobody wakes up excited to spend Saturday afternoon exporting cookies. I certainly didn't. But if the pricing works out — and for most folks on Multilogin X's higher tiers, it probably does — the switch is worth a weekend of careful work. Take your time. Validate everything. Don't migrate your most valuable profile first. I've said that three times now because people keep ignoring it.

Frequently Asked Questions

How long does it take to migrate from Multilogin X to JustBrowser?

Plan 15-20 minutes per high-value profile for a clean migration. The first few profiles take longer while you learn the workflow — expect 30 minutes each. After that, you'll get faster. For 50 profiles, budget a weekend afternoon. Don't rush it; one misconfigured proxy setting can flag an account.

Will Multilogin X profiles work directly in JustBrowser?

No — there's no direct import path. The fingerprint engines are architecturally different (Multilogin X uses their Mimic browser; JustBrowser uses native C++ Chromium). You'll export cookies and proxy credentials from Multilogin X, then recreate profiles in JustBrowser with matching timezone/language/proxy settings.

Is switching antidetect browsers risky for my accounts?

Not if you maintain IP and timezone consistency. Fingerprint changes within normal browser update ranges are fine — platforms expect that. What triggers flags: IP changes, timezone mismatches, or cookie loss that forces re-authentication from a new location. Test with a non-critical account first.

How much will I save switching from Multilogin X to JustBrowser?

Depends on your Multilogin X tier. Their entry pricing starts around $99/month with profile limits. JustBrowser is $9.99/month for unlimited profiles ($99.99/year). For a typical operator on Multilogin X's mid-tier at $199/month, that's $150/month savings — $1,800/year. Run the math on your specific tier.

Try JustBrowser

Native Chromium antidetect browser — not extension-based. Real C++ engine patches at the canvas / WebGL / font / TLS layer, so 40+ identity parameters are genuine, not faked. REST API for Playwright, Puppeteer, Selenium. 7-day free trial, card required — then $9.99/month or $99.99/year, unlimited profiles, free team seats.

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