Getting Started Guide
Up and running in 5 minutes.
Everything you need to start filling forms automatically, recording replays, and running bulk campaigns.
01 — Installation
Download Fillnex for your browser from the Chrome Web Store or Firefox Add-ons.
- Download and install the extension for your browser
- Pin it to your toolbar (click the puzzle icon → Fillnex → pin)
- Activate your license — click the Fillnex icon → Activate → Settings → License → paste your key → Activate
💡 Don’t have a license yet? Start your 7-day free trial — no charge until the trial ends.
02 — Create a Profile
A profile stores your personal information. Fillnex uses it to fill forms automatically.
- Open Settings → Profiles
- Fill in your name, email, address, phone, date of birth, and other fields
- Click Save Profile
You can create multiple profiles (Personal, Business, etc.) and switch between them.
03 — Fill a Form
- Navigate to any signup or registration page
- Click the Fillnex icon → select your profile → click Fill This Page
- Or use the keyboard shortcut:
Alt+Shift+F
04 — Form Replay
Record complex multi-step forms and replay them automatically.
- Click Record in the popup — a red badge appears on the page
- Complete the form normally — every click and fill is captured
- Click Stop → give it a name → Save
- Go to Settings → Replay → click ▶ Replay to run it again automatically
05 — Campaigns
Fill the same form on hundreds of sites automatically.
- Go to Settings → Campaigns → + New Campaign
- Add URLs (one per line) — optionally assign a Replay to each site
- Click ▶ Run — Fillnex opens each site, fills it, and moves to the next
06 — 2Captcha Integration
Automatically solve reCAPTCHA, hCaptcha, and Cloudflare Turnstile.
- Sign up at 2captcha.com and add funds (~$3 per 1000 solves)
- Go to Settings → Settings → paste your API key → Save
- Fillnex now auto-solves captchas during form fills
07 — Trainer Rules & Assign Field
Teach Fillnex to recognize custom fields on any site.
- Right-click on any field Fillnex missed
- Select Fillnex: Assign field type
- Choose the correct type — Fillnex remembers it for every future visit