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Crowdfunding subtitles. Separate prototypes from promises.
Create crowdfunding-video subtitles on Mac. Review prototype claims and future commitments, then export WebVTT for a checked Kickstarter preview.
Apple Silicon · macOS 14.4 or later
01
Label the recorded project stage
Keep the approved recording and its reference material together.
02
Review every commitment
Use the review sheet below to check the words against the recording.
03
Preview the language tracks
Open the exported track with the exact video in its receiving player.

Polyglot 1.11 · Prepared sample project
Make the campaign’s stage clear
For an authorized crowdfunding pitch, Polyglot can create and review subtitles locally on Mac and export a timed track. The important review is whether the words distinguish what exists today from what the campaign proposes to make. Keep prototype demonstrations, estimated plans and commitments clearly separated in every language.
Use the campaign’s approved final cut and keep a dated claim sheet beside it. Clear footage, music, product images and contributors’ performances for the intended campaign. If someone supplies a demonstration or testimonial, confirm permission for the excerpt and translation. A prototype shown in the video is not evidence that a final product has shipped.
Check each promise against the campaign copy
List the spoken feature, the project stage and the matching sentence in the approved campaign page. Review future tense, estimates, dependencies and distinctions between the demonstrated prototype and the proposed version. Do not remove a condition because a shorter subtitle looks cleaner.
The example below is fictional and concerns a made-up device. It illustrates a change in certainty that must be caught before a track is approved.
Illustrative campaign check
Video: project-v05.mp4
Copy: approved revision 8
Heard: “We aim to add a
second input after testing.”
Reject: “It has two inputs.”
Stage: prototype shown
Second input: proposed
Review: preserve the
condition.Review translations as campaign statements
Ask a reviewer who understands the target language and project to check each commitment. Preserve distinctions such as “we plan”, “we expect” and “we have completed”. Keep currency, quantities, dimensions and dates tied to the approved source rather than guessing local equivalents. If the source claim changes, review the video and every affected language track.
Silent diagrams and prototype labels need attention outside speech transcription. Follow the distinction in W3C guidance between captioning audio and describing important visual information. Polyglot does not read a specification card, validate engineering claims, assess delivery feasibility or guarantee compliance with a platform’s rules.
Resolve disagreements before exporting. If the video promises something the approved campaign no longer offers, a more cautious subtitle cannot repair the spoken pitch. Revise the media or publish an explicit approved correction in the appropriate campaign workflow.
Export and preview the campaign track
Kickstarter’s caption instructions allow multiple language tracks and require a VTT file when importing a track. Export WebVTT from Polyglot, select the intended language in the project editor and inspect the track in the campaign preview. These steps follow platform documentation; they are not a claim that Polyglot uploads to Kickstarter or that a project has been tested or approved.
Check the introduction, prototype demonstration, offer summary and closing call to action. Watch on a phone and confirm captions do not cover the feature being demonstrated or important qualifications. Toggle between languages and verify both the label and text. File acceptance is not approval of the campaign’s claims.
Deliver the exact pitch video, reviewed VTT files and claim-sheet revision together. Keep a record of the accepted project preview. A later campaign update or shorter promotional video needs a separate timing and claim review; do not assume the launch-video track still fits.
Sources & further reading
Kickstarter: adding captions and subtitles
W3C: preparing reviewed captions
W3C: describing essential visual information
Polyglot: local processing and network boundaries
Published by Polyglot using an AI-assisted editorial workflow. How we prepare and update our guides.
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Download nowApple Silicon · macOS 14.4 or later