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Características de la herramienta

  • On-device screen and camera recording
  • Auto-Polish one-tap AI edit
  • On-device auto-captions
  • AI background removal, no green screen
  • One-click reframe to 9:16, 1:1 and 16:9
  • MP4, MOV, GIF and M4A export

Descripción

Zella is a privacy-focused, on-device screen recorder and AI video editor for Mac and iPhone that enables users to create polished videos with a single tap—no cloud uploads, no accounts, and no subscriptions required. Ideal for creators seeking fast, professional-quality editing offline, Zella combines powerful AI features like auto-captions, background removal, and silence cutting into an intuitive, all-in-one app.

Zella records your screen or camera and edits the video for you, on your own Mac or iPhone. Nothing uploads, no account, no subscription. Free at 1080p with no watermark. One tap runs Auto-Polish: captions, silence cuts, filler words removed, zoom-ins and a cleaned-up voice. Make it Viral adds pacing, transitions, sound effects and a music bed. Pro is one payment of $89 that unlocks Mac and iPhone together, for life, instead of a monthly bill.

Descripción detallada

However, there are some considerations to keep in mind. Zella requires macOS 14 Sonoma or later and iOS 18 or later, limiting its use to relatively recent Apple devices. While the AI Assistant feature can connect to external language models, it requires users to provide their own API key, which may be a barrier for some. Additionally, while Zella offers advanced editing tools, it may not yet match the depth of professional-grade video editors for users needing highly specialized effects or workflows. Nonetheless, its non-destructive editing, extensive undo capabilities, and comprehensive feature set make it a versatile tool for most users. Overall, Zella is an innovative, privacy-first video recording and editing solution that empowers users to create polished content quickly and securely on their Mac or iPhone.

Preguntas frecuentes

What is Zella?

Zella is an on-device screen recorder and AI-powered video editor for Mac and iPhone that allows users to record their screen or camera and apply one-tap AI editing features such as silence removal, auto-captions, voice cleaning, and background removal—all running locally without cloud uploads or accounts.

How much does Zella cost?

Zella offers a free version with no watermarks and no cloud dependency. For advanced features, Zella Pro is available as a one-time purchase for $89, unlocking the app on both Mac and iPhone. There is also a Founder tier priced at $299 with additional benefits. New users receive a seven-day free trial of Pro features.

Who is Zella best for?

Zella is ideal for content creators, educators, marketers, and professionals who want a fast, easy-to-use video recording and editing tool that respects privacy and works offline. It suits anyone needing polished videos for tutorials, social media, presentations, or demos without complex workflows.

What are the main features of Zella?

Key features include on-device screen and camera recording, one-tap Auto-Polish AI editing that cuts silences and writes captions, on-device auto-captions, AI background removal without a green screen, one-click reframing to popular aspect ratios (9:16, 1:1, 16:9), and export options including MP4, MOV, GIF, and M4A.

Does Zella offer a free trial?

Yes, every new installation of Zella starts with a Pro Week trial, which provides seven days of full Pro features without requiring a credit card or subscription cancellation.

What integrations does Zella support?

Zella primarily operates as a standalone on-device app without cloud integrations. The optional AI Assistant feature can connect to external language models if users provide their own API key, but otherwise, all processing is local with no third-party integrations.

How does Zella work?

Zella records your screen or camera footage directly on your Mac or iPhone. After recording, you can apply the Auto-Polish AI edit with a single tap, which automatically removes silences, adds captions, cleans audio, and scores the video. All editing and processing happen locally on your device, ensuring privacy and offline functionality.

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Seedance 2.5

Verificado

Seedance 2.5 represents a landmark advancement in AI video generation technology, developed by ByteDance's Volcano Engine as the next-generation production-grade video foundation model. Unveiled in June 2026 and scheduled for full commercial release in early July, this iteration marks a structural leap forward from its predecessor, Seedance 2.0, transcending incremental quality refinements to address the fundamental limitations that have constrained AI video from true commercial viability. Built on an optimized diffusion architecture with industry-leading computational efficiency, Seedance 2.5 transforms AI video from fragmented visual snippets into a complete narrative medium, empowering creators, marketers, studios, and industrial teams to produce polished, consistent, and story-driven video content at unprecedented speed and scale. At the core of Seedance 2.5's breakthrough is its industry-leading 30-second native single-segment generation capability, doubling the 15-second ceiling of the 2.0 version and establishing a new global benchmark for continuous AI video output. Unlike conventional approaches that require stitching multiple short clips together—a workflow plagued by character inconsistency, lighting discontinuities, motion artifacts, and narrative fragmentation—Seedance 2.5 generates full 30-second sequences end-to-end in a single pass. Within this duration, the model maintains remarkable coherence across character appearance, physical motion, lighting atmosphere, and camera logic, enabling complete narrative arcs with proper setup, development, and resolution. This eliminates the labor-intensive post-production stitching process, reduces generation cycles for standard 90-second promotional videos from nine-plus segments to just three or four, and fundamentally elevates AI video from a novelty demonstration tool to a genuine narrative production instrument. The 30-second window comfortably accommodates full product demonstrations, complete short drama scenes, voiceover-accompanied explanatory sequences, and full music video segments, covering the majority of short-form commercial video requirements. Complementing its extended duration is Seedance 2.5's industry-most comprehensive multi-modal reference system, supporting up to 50 reference assets simultaneously including images, video clips, and audio tracks—a nearly fivefold increase over the previous generation's 12-asset limit. This massive expansion delivers unprecedented creative stability and controllability. The model holistically synthesizes stylistic attributes, character likenesses, shot compositions, and tonal qualities from all reference inputs, ensuring consistent visual identity across multiple generations. For brand content production, serialized IP development, and batch video creation, this resolves the longstanding pain point of AI video's inherent randomness—where each generation produces noticeably different results. Marketing teams can lock in brand color palettes, product specifications, and spokesperson appearances across dozens of output variants, while film teams can replicate specific cinematic styles, camera languages, and set aesthetics with remarkable fidelity. The reference system intelligently reconciles multi-source inputs without style conflicts, enabling complex multi-character scenes where every performer maintains consistent facial features, costumes, and proportions throughout the sequence. Seedance 2.5 further elevates creative control through its precision camera manipulation tools and built-in library of 50 professional cinematic shot templates. Creators can directly command camera movements—including push-ins, pull-outs, pans, tilts, and orbital shots—and specify shot scales from extreme close-ups to wide establishing shots. The curated template library organizes proven cinematic compositions by mood, shot type, and pacing, allowing users to achieve professional-grade cinematography without specialized film knowledge. Beyond generation, the model introduces advanced local editing capabilities that enable post-generation modifications such as background replacement, costume changes, and motion adjustments without full re-rendering, transforming the system from a pure content generator into an interactive creative decision-support tool. In terms of visual fidelity, Seedance 2.5 delivers native 4K resolution output at 30 frames per second with 10-bit color depth, eliminating the quality degradation inherent in upscaling lower-resolution sources. Fine details—fabric textures, hair strands, embroidery, and surface materials—remain crisp and defined rather than being smoothed away by super-resolution algorithms. Internal benchmarks demonstrate approximately 15% higher color accuracy than competing models, with particularly improved skin tone rendition and reduced teal-orange color grading bias, making outputs directly usable for professional advertising, corporate video, and broadcast applications. The platform also supports multiple aspect ratios including vertical, square, and widescreen formats for seamless cross-platform distribution across social media, e-commerce, and web channels. Beyond creative industries, Seedance 2.5 is engineered for industrial-grade deployment across manufacturing, retail, education, and advanced technology sectors. Enterprises leverage it to produce localized product documentation, multilingual training materials, and customer support videos at drastically reduced costs. In high-tech applications, it generates synthetic training data for embodied intelligence systems and simulates extreme weather or edge-case driving scenarios for autonomous vehicle development, addressing real-world data scarcity challenges. With API access for workflow automation, batch generation capabilities, and team collaboration features, Seedance 2.5 positions itself not merely as a creative tool but as foundational visual infrastructure for the AI era, bridging the gap between generative technology and real-world productivity.

  • Creates 30-second native 4K video
  • Uses 50 multimodal references
  • 3D pre-visualization

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