lang: vi slug: prompt-optimizer title: ‘Prompt Optimizer — Restructure, Trim Fillers, Save Tokens (GPT / Claude / Gemini / DeepSeek)’ description: ‘Free online Prompt Optimizer for AI coding agents and LLM workflows. Detects filler words, restructures into the 5-section framework (Role / Task / Context / Constraints / Examples / Output), and compares token counts across GPT-4o, Claude Sonnet, Gemini, and DeepSeek V4 — fully client-side.’ date: 2026-05-19 lastmod: 2026-05-19 layout: “tool-prompt-optimizer” tool_id: “prompt-optimizer” aliases:- /posts/prompt-optimizer/ #

featureImage: /images/articles/prompt-optimizer-restructure-trim-filler.jpg #