Oliver Spratt RomeroVerified creator
@olisr
Founder and CEO of Nebular Group. Communicator, creator and strategist in social media, short-form content and video production. On social media since 2012.
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How to add subtitles to a video automatically, for free
Three ways to subtitle a video without paying —inside the app, on your computer or with an SRT file—, when each one makes sense and how to review an automatic transcript in five minutes instead of an hour.
You know the photo exists, just not what it's called: how to find it on your computer
You remember it perfectly: the light, who was in it, where you were. What you don't remember is the file name. What actually works for finding a photo on your computer, from File Explorer to searching by description.
Video sizes for social media in 2026: dimensions, format and fps to export
The table you check before exporting: what size, ratio, length and fps each network asks for —Instagram, TikTok, YouTube, LinkedIn, Facebook and X— and which export settings keep your video from being over-compressed.
Instagram carousel template: seven slides people save
A seven-slide carousel structure, with what goes on each slide, a complete example and an editable 4:5 (1080 Ă— 1350) template to download free.
YouTube video script template, with a complete example
A two-column script template —picture and sound— for five to fifteen-minute YouTube videos: structure, how many words fit in a minute and an example written from start to finish.
Vertical video storyboard template: Reels, TikTok and Shorts
Six 9:16 panels to plan a short video before you shoot it, with a finished 30-second reel as an example. Free to download and edit in Excalidraw or the Polimake desktop app.
Editing video with Claude Code and FFmpeg: five tasks, step by step
From a long recording to captioned vertical clips without opening your editor: what to ask Claude Code, which command it should run and what to check at each step.
How to edit videos with Claude: what it really does and what it doesn't
Claude cannot open or play video. It can still save you hours of editing: five real ways to use it, which tool each one needs and where it falls short.
Editing videos with AI: which parts of the edit it really saves
Task by task: which part of the edit AI can do today, what kind of tool handles it, what you always have to check and where it still isn't worth it.
A free Canva that runs on your own computer: designing with Excalidraw locally
What you can design without a subscription using Excalidraw locally, why it matters that the output stays editable, and the cases where Canva still wins.
Free video editor with no watermark: what you gain and what you give up
CapCut and Canva are free until you export. Here is what each one actually limits, what a local editor built on OpenCut offers, and the cases where it still is not the right pick.
Free transcription and dictation on your own computer: Whisper locally, no internet
How transcription with local models works, what computer you actually need, how the cost compares to per-minute services, and what you give up by not using the cloud.
Client content approval: how to stop the endless change requests
Why approvals stall, what the flow needs, a message template for sending work to review, and how to cap the number of rounds.
Faster social content with AI: what to hand off and what not to
Writing the post is rarely the bottleneck. Six operational steps, a matrix for deciding what to hand to AI, and how to measure whether you are really faster.
Multi-client management tools for agencies: what they need and how to choose
What a tool needs to manage several clients at once, the three types of software that get confused (projects, social and creative operations) and a scorecard to compare before you sign.
Designing inside a team: briefs, versions and approvals
Which skills matter now, how to read an incomplete brief, and how to hand off so the next person can pick it up.
Creative operations in agencies: the five-layer framework
How to tell your operation is broken, the intake-to-publication framework in five layers, and a 30-60-90 implementation plan.
What is 4K, and when is it worth recording?
What 4K means, how it compares with Full HD, and when its resolution justifies extra storage, transfer, and post-production.
YouTube history: what changed in each phase, and why it matters
YouTube's timeline from 2005 to today: founding, Google's purchase, Partner Program, Adpocalypse and Shorts, and what each phase means for what you produce.
What is content? A strategy for agencies
What content is and how an agency turns it into a useful, differentiated, measurable strategy with reusable assets.
Two-way communication: what it is, examples and how it differs from one-way
Two-way communication goes there and back: whoever receives the message can reply, and that reply changes what is said next. What it is, its elements, examples in daily life, at work and on social media, and how to apply it with a client.
Reusing Instagram UGC: rights, archiving, and the DAM workflow
Reusing Instagram stories and UGC: permissions, official options, and preserving original material for future pieces.
The shreditor: the hybrid video role people now hire for
What a shreditor actually does, how it differs from an editor, where the limits are, and when hiring one pays off.
From vertical to horizontal: adapt a video to all your client's channels
Creative techniques for an agency or freelancer to adapt a client's vertical video to horizontal and deliver it ready for all their channels: blurred background, graphics, mockups, and AI.
More publications
- Managing raster and vector images: formats, versions, and brand assets
- Primal Branding: what it is and its 7 elements
- Brand podcast: what producing one every week really takes
- Frames and timecode: how to review video without ambiguous feedback
- Gestalt applied to reviewing creative work
- How to organize and version your Adobe Illustrator files
- Sales promotion techniques that do not destroy your margin
- Downloading images from a website: what is legal
- Video production flow: 8 phases with approval points
- Organic post vs. ad: when to use each in client accounts
- Video pre-production workflow: planning and approvals
- Brand storytelling: a skeleton that works in any channel
- YouTube Analytics for managing your client's brand channel
- TV spot: from one shoot to ten reusable pieces
- How to sell design services: 3 strategies with traction
- From content strategy to the editorial calendar
- Company profile as a brand asset: a single source and consistent versions per channel
- Readability for agencies: review copy and design before handoff
- Moving your creative archive to the cloud in eight steps
- How long does video production take? A phase-and-review template
- How to choose a video production company and receive a reusable archive
- YouTube privacy: how to share videos in review with clients
- Content engagement metrics: what to measure and how it feeds your creative production
- What a media agency is and what it does
- How to design viral content for brands: from STEPPS to TikTok
- Brand archetypes for a consistent client identity
- Content formats and which role produces each one
- Why UGC persuades more than brand advertising does
- Jim Edwards' VSL structure, step by step
- Production services: what to hire when a campaign shoot needs it
- Product launch: coordinating NPD with content operations
- Video length by channel: plan a master and cuts instead of copying rules
- What the network effect is: types and examples
- Shooting in 4K to reuse: the operational call on archive and channel versions
- How to organize a video production day: an operational guide for teams
- From loose file to asset: what your files are missing
- What makes people join a TikTok challenge
- 360 video: the cases where it genuinely adds something
- YouTube copyright: Content ID, fair use and what is a myth
- Media kit: what to include so a brand actually books you
- Corporate design: what a brand guide people actually use contains
- What actually gets delivered in a graphic design job
- Digitising an archive so you can still find things later
- Unboxing: one recording, many pieces
- From making content to running a creator business
- Gaming marketing: entering games without looking like an intruder
- How to make the wow effect repeatable
- Why growing with bots ruins your client's brand (and how to protect it)
- The STAR method: writing up a project so it stays useful
- YouTube ad formats and what each one demands
- What to capture in a making-of so it stays useful
- Producing video at scale without losing brand control
- Starting on YouTube: your first ten videos and first revenue
- What a piece of graphic communication has to deliver
- Overlays and motion templates: brand consistency across formats
- How to produce recipe reels in batches
- Instagram filters with Spark AR: historical guide
- Video delivery and archiving: masters, formats, and naming for reuse
- Consumer protection for agencies: what your team must know before launching a campaign
- The 7 phases of an advertising campaign
- Sales pitch for freelancers and agencies: how to sell creative services
- Instagram polls: what to ask and what to do with the answers
- How to build a visual communication strategy
- How you make money on YouTube: 7 routes and which fits
- Camera lenses: focal length, aperture, and a repeatable visual recipe
- Apps and templates for making Instagram Stories
- Creative deliverables: how to define and manage them without rework
- How to spot a bad graphic designer before you hire them
- TikTok for brands: how to sustain weekly production
- The real difference between a typeface and a font
- What managing a client's social accounts really involves
- Memes for brands: how to produce them without losing context
- Recipe videos: why they work for food brands
- Gimbal or Steadicam: how to plan moving shots
- Integration plan: connecting teams, tools and content
- Followers or engagement: which metric to promise a client
- Color theory: how to set a brand palette
- How to structure client messages
- Viral marketing: what actually makes something get shared
- How to reuse and adapt content per platform without duplicating work
- What sampling is: types and examples
- Running a webinar that still pays off six months later
- Free tools for running a YouTube channel
- 8K vs 4K: when reframing room justifies the cost
- Rendering video and 3D: check exports and preserve the master
- Old SD video: how to digitize, document, and reuse it
- Media plan: where, when and how often you invest
- 5 product launch types and when to use each one
- Where misleading advertising begins in food photos
- Which licence you need to use music in a video
- Voiceover: how to write narration scripts for brand videos
- Verbal and non-verbal code: build brand messages that truly communicate
- Posting frequency on social media: a guide to managing clients in 2026
- Which Instagram behaviour signals are worth acting on
- How to plan a food photography session
- What a product's core benefit is
- Seven Instagram Story formats that work
- The two deliverables that hold a brand identity together
- Brand mini-documentary: when to use it in your content strategy
- Reading Instagram insights and deciding what to produce
- How to shoot better with the gear you already have
- How to test YouTube thumbnails without guessing
- Audiovisual narrative: from concept to final edit
- Designing newsletter blocks you actually reuse
- Free alternatives to Adobe: what each one actually covers
- How to build a restaurant photography service
- How to sustain a brand YouTube channel: content operations
- Advertising campaign: from Think Small (1959) to multichannel, its phases and why so many fail at the brief
- Motion graphics for marketing: when to use them in your clients' video production
- Lower thirds: how to build a title system for branded video
- Animation for marketing video: types and when to use it in client projects
- What an early adopter is and how to find yours