Arun Karunanithi

Head of Product

Arun Karunanithi is head of product at Hawky, the agentic performance marketing platform. He writes about product, autonomous performance agents, and how marketing teams put AI to work.

Articles by Arun Karunanithi

Google Ad Sizes & Specs: The Complete 2026 Guide
Ad Creative Strategy

Google Ad Sizes & Specs: The Complete 2026 Guide

Every Google ad size and spec for 2026: the best-performing display dimensions, Responsive Display Ad assets, file size limits, and which formats to use.

Arun Karunanithi·7 min read·
9 Best TikTok Ads Tools in 2026: Free, Paid and AI
Performance Marketing

9 Best TikTok Ads Tools in 2026: Free, Paid and AI

The 9 best TikTok ads tools in 2026, ranked by job with list prices dated Sept-Oct 2026: free TikTok tools, Smart+, Symphony, AI video, ad spy and attribution.

Arun Karunanithi·15 min read·
TikTok Creative Center: How to Use It (2026 Guide)
Ad Creative Strategy

TikTok Creative Center: How to Use It (2026 Guide)

How to use the TikTok Creative Center for free: find top ads by industry, spot trends and sounds, research competitors, and analyze winning patterns.

Arun Karunanithi·7 min read·
8 Best Creative Testing Tools in 2026, Ranked and Priced
Tools and Comparisons

8 Best Creative Testing Tools in 2026, Ranked and Priced

The 8 best creative testing tools in 2026, ranked by job and priced from vendor pages: Hawky, Motion, Marpipe, plus free Meta, TikTok and Google split tests.

Arun Karunanithi·13 min read·
10 Best Ad Spy Tools in 2026 (Free and Paid, Prices Checked)
Tools and Comparisons

10 Best Ad Spy Tools in 2026 (Free and Paid, Prices Checked)

The 10 best ad spy tools in 2026 for Meta, TikTok, Google, native and display, with list prices from each vendor's own page and the best free options.

Arun Karunanithi·13 min read·
10 Best Ad Intelligence Tools in 2026 (Spend, Creative and Search)
Tools and Comparisons

10 Best Ad Intelligence Tools in 2026 (Spend, Creative and Search)

The 10 best ad intelligence tools for 2026, from AdClarity and Pathmatics spend data to SpyFu search history, with September 2026 prices and how to pick one.

Arun Karunanithi·13 min read·
9 Best Creative Performance Reporting Tools for Marketers (2026)
Tools and Comparisons

9 Best Creative Performance Reporting Tools for Marketers (2026)

The 9 best creative performance reporting tools in 2026, compared on channels, creative tagging, revenue reporting and prices at your ad spend, read Oct 2026.

Arun Karunanithi·15 min read·

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