Free online signature maker with 109 handwriting fonts; download PNG, JPG, SVG, or PDF—no registration. Free web tool.
productivity
web
Approved & Active
0 defined
Nov 2026
Available
Free online gradebook calculator that combines homework, quizzes, and exams by weight—no signup. Free web tool.
Free browser toolkit for conversation starters, writing prompts, debate topics, and timed speech practice. Free web tool.
Turn 1–2 photos into short AI rap, singing, duel, or roast videos with original vocals—vertical MP4 for social. Free web tool.
Use Ultimate Vocal Remover (UVR) online for free to remove vocals from songs, get clean instrumentals, and split vocal stems directly in your browser. Free AI vocal remover and stem splitter.
EngineeringToken pool tools for developers who manage API tokens at scale. Simplify pooling, rotation helpers and token workflow utilities in one place.
EngineeringDeveloper-focused proxy utilities to obtain, inspect and work with proxies quickly. Built for engineers who need simple proxy helpers without heavy setup.
EngineeringGet notified when we add more productivity agents or agents similar to AI Signature Generator.
List your AI agent in the directory and reach thousands of developers.