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Joyfun AI is a free AI video generator that transforms text and images into videos. It offers multiple artistic models and full control over duration and resolution for any platform.

Joypix.ai allows users to create animated talking videos and avatars by uploading photos, utilizing AI lip-sync technology. It offers an avatar generator with over 40 artistic styles and supports multilingual voice cloning in more than 40 languages.

Jumper is an AI tool for video editors that enhances workflow by enabling quick footage searches using keywords or phrases. It supports multicam editing across major platforms and works offline, ensuring speed and privacy.

Jupitrr AI VideoOS offers an all‑in‑one workflow for planning, editing, and publishing videos. AI tools auto‑trim footage, generate scripts, create teleprompters, convert audio to clips, schedule cross‑platform posts, and track performance analytics.

Just Think AI offers a single platform for AI‑generated content, including chatbot research, text‑to‑speech, text‑to‑image, and image‑to‑video. It supplies lesson‑plan templates, writer briefs, multilingual support, and team collaboration workspace.

JXP AI Video Generator is a tool that transforms text ideas into videos in seconds using advanced AI. It produces cinematic, photorealistic visuals that can be edited through conversational prompts for creators and social media.

Kapkap, an AI-powered talking video generator that revolutionizes video creation for marketing. Produce high-conversion marketing videos with speech-to-text, 4K camera, teleprompter, editing tools, and more.

Kartiv uses AI to create product photos, 360° videos, and white‑background images for e‑commerce sites, agencies, and resellers. Users upload assets; the platform auto‑generates multiple variations, ready‑made kits for Amazon, Shopify, and Etsy, enhancing listings and scaling visual content.

Karumi Talk With Us is an on-demand demo platform where AI agents deliver hyper-personalized video demos 24/7 across web, in-app, and email, generating multilingual conversations, transcripts, analytics, and CRM-logged follow-ups to streamline lead qualification and sales.

Keymate.AI stores PDFs, docs, URLs, videos, and emails into searchable, shareable collections. It integrates with ChatGPT for source‑limited answers, automates workflows via Make.com, and offers end‑to‑end encryption with SOC 2/HIPAA compliance.

KeywordSearch analyzes business data to pinpoint high‑performing keywords and build targeted Google/YouTube ad audiences instantly. It expands keyword sets, offers competitor insights, and lets users generate video titles, tags, and descriptions for better discoverability.

Kissgen AI generates romantic kissing videos from user-uploaded photos, offering various styles like normal and French kisses. The intuitive platform creates high-definition animations efficiently while prioritizing user privacy and security.

Kittl is an AI‑driven design platform that lets creators and designers generate images, vectors, and videos from prompts. It offers vectorization, background removal, upscaling, an infinite collaborative canvas, and a library of templates, fonts, and icons.

Kling 2.6 generates 1080p videos from text or images with integrated speech, sound effects, ambient layers and camera controls; supports subject-consistent animation, multi-character dialogue and video extension for longer sequences, prototyping, ads, and demos.

AI creative studio boasts AI image and video generation capabilities.

Kling AI is a creative studio for generating AI images and videos, featuring a user-friendly interface, language support for narration and subtitles, and AI-generated background music, making it ideal for content creators and educators.

Kliplab is an AI platform for creating voiceovers and lip-synced videos using over 30 celebrity and fictional character voices, featuring advanced lip-sync technology, custom uploads, and a user-friendly interface for social media content creators.

Klipme automates generating short-form clips and summaries from long-form video for TikTok, Reels, and Shorts by analyzing audio/visual cues. It offers vertical autocrop, speech subtitles, beat-synced edits, generative styling, templates, and batch processing.

Klyra AI is an AI-powered content creation platform that generates videos, voiceovers, avatars, and images for marketers, educators, and creators. It offers tools like voice cloning, transcription, and audio production with an intuitive interface for seamless content development.

Knowledge AI is an AI-powered learning tool that delivers concise summaries of complex content, such as lectures and videos. It highlights key themes, generates common questions, and facilitates real-time interactions for improved comprehension and retention.

Knowt turns uploaded PDFs, slides, videos, or audio into interactive study aids. AI generates summaries, flashcards, quizzes, and spaced‑repetition decks, supporting STEM, humanities, languages, and exam prep. Teachers can import Quizlet sets and track class progress.

Kodie adds a secure widget to merchants’ order confirmations, letting customers send text, photo or video messages that are delivered after shipment to a brand page with product carousels and analytics, reducing paper waste and saving time.

Kolors AI is a chat-driven design agent for high-resolution image and short-video generation and editing—text-to-image, image-to-image, background/object removal, retouching, expression and clothing changes, virtual try-on, poster layouts, and character-consistent assets for catalogs and ads.

Konch delivers AI‑driven audio/video transcription with 99% accuracy across 55+ languages, optional human review, translation to 30+ languages, multi‑format export, GDPR‑compliant encryption, and confidentiality for legal and academic use.