01Selected team experience

Resilient Browser Video Platform

A resilient browser recording platform that lets users correct mistakes without starting over — coordinating screen, camera and audio capture, incremental upload, cloud processing, reversible editing, sharing, teams and billing.

  • MediaRecorder
  • MediaStream
  • FFmpeg
  • HLS
  • Chrome Extension
  • Cloud Functions
  • Stripe
  • PostgreSQL
Resilient browser video platform recording interface
02Challenge

The problem

Long recordings are vulnerable to browser, network and device failures. A single mistake near the end should not force the user to repeat the entire recording.

  • Coordinate screen, camera, microphone and supported system-audio streams
  • Protect long-running recordings during network or device interruptions
  • Produce playback-compatible video, audio, thumbnails and subtitles
  • Make edits reversible while preserving original media
  • Control processing, transcription and long-term storage costs
  • Serve anonymous, free, paid and team users with different limits
03Solution

How it was solved

The recording was treated as an editable document. Browser capture protected the source media, cloud workers produced playback and editing assets, and a pause, rewind and overwrite workflow allowed targeted corrections while preserving the original recording.

04Evolution

Delivery path

  1. 01 · Discover & start

    Users began from the web application or Chrome extension, with compatibility, permission, device, limit and browser-specific checks before capture.

  2. 02 · Configure capture

    Screen-only, camera-only or combined capture with microphone, camera, supported system audio, resolution, countdown and camera-placement controls.

  3. 03 · Record

    MediaStream and MediaRecorder powered capture with pause/resume, duration, draggable controls, camera picture-in-picture, extension events and navigation safeguards.

  4. 04 · Correct mistakes

    Users could pause, rewind, replace a section, resume from a selected point, trim unwanted media and restore the original when an edit was rejected.

  5. 05 · Edit & enrich

    Blur regions, editable transcripts, captions, VTT subtitles, chapters, annotations, calls to action and transcript-synchronized playback.

  6. 06 · Process & publish

    The pipeline generated HLS playlists and segments, extracted audio, thumbnails, subtitle files and separate original and edited versions.

  7. 07 · Share & engage

    Hosted public links, password protection, embeds, downloads, shared folders, view counts, first-view alerts, chapters and calls to action.

  8. 08 · Organize content

    Recording and folder grids, search, inline rename, uploads, bulk move/archive/delete, shared folders and recovery/reprocessing states.

  9. 09 · Collaborate

    Team creation, invitations, administrator and recorder roles, membership states, seat billing, removal and content transfer.

  10. 10 · Convert & monetize

    Anonymous, free, monthly, yearly, lifetime and team states with differentiated recording, resolution, editing and download limits.

05Architecture

Platform topology

The represented platform spanned a browser application, Chrome extension, backend API, media workers and cloud services. Recorded assets moved through recovery, processing, publication and lifecycle-management states rather than one synchronous upload.

Browser app / Chrome extension
    ├─► MediaStream + MediaRecorder
    ├─► screen / camera / microphone / system audio
    └─► incremental media upload
              │
              ▼
Backend API + recording session state
              │
              ▼
Media workers / cloud functions
    ├─► FFmpeg processing
    ├─► HLS playlists + segments
    ├─► audio + thumbnails
    ├─► captions + VTT
    └─► original + edited versions
              │
              ▼
Hosted playback / sharing / embeds / downloads
06Product

Product surface

  • Capture modes

    Screen-only, camera-only and combined capture with microphone, camera and supported tab/system audio

  • Recoverability

    Network and device feedback, incremental transport, recovery states and reprocessing paths

  • Correction

    Pause, rewind, overwrite, resume, trim and restore-original workflows

  • Editing

    Blur, transcription, captions, VTT, chapters, annotations, calls to action and rich descriptions

  • Publishing

    Hosted pages, public or password-protected links, embeds, supported downloads and first-view notifications

  • Library

    Folders, search, rename, external uploads, move, archive, delete, shared folders and bulk operations

  • Teams

    Invitations, role-based membership, seat billing, revocation and content transfer

  • Plans

    Anonymous, free, subscription, lifetime and team access with differentiated product limits

07Engineering

Technical highlights

  • Browser-native media capture

    MediaStream and MediaRecorder coordinated screen, camera, microphone and supported browser audio while the interface managed permissions, previews, device feedback and extension controls.

  • Reversible correction

    Pause, rewind and overwrite turned a long recording into an editable timeline. Original media remained recoverable when a replacement or trim was rejected.

  • Resilient media transport

    Long-running sessions and incremental uploads were designed around unstable connections, interrupted devices and explicit recovery or reprocessing states.

  • Playback pipeline

    Media workers produced HLS playlists and segments, extracted audio, thumbnails, subtitle files and separate original/edited assets for reliable browser playback.

  • Lightweight enrichment

    FFmpeg-backed blur and trim joined editable transcription, synchronized words, captions, chapters, annotations and calls to action without requiring professional editing software.

  • Lifecycle-aware SaaS

    Authentication, sharing, teams, Stripe billing, plan limits, analytics, archive policies and storage lifecycle controls surrounded the media core.

08Scope

What the team delivered

  1. Contributed across the browser recording experience, backend APIs and media workflows

  2. Worked on core backend, streaming and cloud-processing services

  3. Implemented FFmpeg-powered blur and trim functionality

  4. Supported reversible editing, transcription and playback-compatible output

  5. Improved Stripe subscriptions and webhook handling

  6. Helped reduce reported recording errors by 65%

09Services

Repos & services

Anonymized service family across the platform.

ServiceResponsibilityStack
Browser ApplicationCapture setup, recording controls, correction, editing, library, playback and sharingBrowser media APIs, MediaStream, MediaRecorder
Chrome ExtensionExtension-led capture, browser events and recording controlsChrome extension APIs, browser media APIs
Backend APIRecordings, folders, users, teams, sharing, billing and processing orchestrationAPI services, PostgreSQL, authentication, Stripe
Media PipelineTranscoding, HLS, audio extraction, thumbnails, blur, trim and version handlingFFmpeg, media workers, cloud functions
Cloud OperationsObject storage, lifecycle management, analytics and operational toolingCloud storage, 17 cloud-function packages
10Outcomes

Results that matter

Reported recording errors reduced by 65%.

  • Reported recording errors reduced by 65%

  • Delivered pause, rewind and overwrite correction without restarting recordings

  • Added FFmpeg-based blur and trim workflows

  • Generated HLS, audio, thumbnails and subtitles for browser playback

  • Improved subscription and webhook reliability

  • Supported sharing, organization and team accounts

Repository evidence spans 2022–2025: 830 tracked files, 1,368 commits, 28 application routes, approximately 100 API paths, 51 database migrations and 17 cloud-function packages.

Browser media capture, resilient uploads, video processing, reversible editing, cloud storage, billing and collaborative SaaS delivery.

11Visuals
Browser video correction workflow for rewinding and replacing a section
Video processing workflow producing HLS, thumbnails, audio and captions
13Next step

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