Make smarter creator decisions, from video idea to income.
Prepare subtitles and thumbnails, plan your video exports, and calculate creator earnings with clear inputs and useful results. File tools run locally; AI tools are labeled.
- No account required
- Uses primary sources
- Explains every assumption
What are you working on?
Choose a task, then move between the tools you need.
Subtitles
Convert SRT and VTT files, fix subtitle formatting, adjust timing and extract transcript text. Process your caption files locally without an account.
Explore tools 9 toolsImages & thumbnails
Compress thumbnails to a chosen file size, crop and resize images, preview thumbnail designs and download available public YouTube thumbnails.
Explore tools 9 toolsVideo planning
Extract a video frame locally, or plan file size, recording storage, upload time, livestream bandwidth, timecode and export settings.
Explore tools 10 toolsCreator calculators
Estimate creator earnings, sponsorship rates, usage rights, exclusivity and campaign economics with clear inputs, assumptions and related planning tools.
Explore toolsFeatured creator tools
Practical utilities for the decisions creators make every week.
SRT validator and repair tool
Check subtitle structure and repair numbering, spacing, and timestamp arrows locally.
Open toolSRT and VTT subtitle converter
Convert subtitle text between SRT and WebVTT formats in the browser.
Open toolYouTube thumbnail compressor
Compress JPG, PNG and WebP thumbnails to a chosen file size, with a local preview and downloadable result.
Open toolYouTube thumbnail preview and comparison tool
Compare thumbnail and title variants across realistic viewing surfaces before publishing.
Open toolYouTube thumbnail downloader
Extract the available thumbnail sizes from a public YouTube video URL.
Open toolVideo file size calculator
Estimate export size from bitrate, duration, and audio settings.
Open toolSponsorship rate calculator
Price brand integrations with view-based ranges and clear assumptions.
Open toolContent usage-rights calculator
Estimate a fair licensing fee for paid, organic, and multi-channel brand usage.
Open toolOne workflow from idea to income
Each utility should lead naturally to the next useful creator decision.
- 01
Plan
Validate an idea, budget, or production choice before committing time and money.
- 02
Create
Choose the right dimensions, bitrate, duration, and technical settings for the work.
- 03
Publish
Prepare trackable links and realistic upload timelines for every release.
- 04
Measure
Turn views, engagement, CPM, and costs into numbers you can compare.
- 05
Earn
Price sponsorships and revenue opportunities with transparent assumptions.
Professional tools, minus the subscription
Creators should not need a paid dashboard to understand basic business and production decisions. Free Creator Toolkit makes the useful math clear, quick, and accessible.
Explain the formula
Inputs, assumptions, and limitations stay beside every result.
Stay fast
Lightweight pages and client-side calculations keep common tasks instant.
Respect privacy
Core utilities work without accounts, channel access, or unnecessary uploads.