17 free tools
Creator Tools
Creator and marketing tools for video, audio, and advertising. Calculate aspect ratios, video and audio file size, bitrate, engagement rate, CTR, CPM, RPM, CPC, conversion rate, and ROAS, or generate secure passwords, UUIDs, random numbers, colour conversions, and simple invoices.
- Creator Tools
Audience Engagement Rate
Compare a count of engagement actions with the chosen audience denominator, such as followers or reach.…
- Creator Tools
Audio File Size Estimate
Estimate a compressed audio file’s size from average total bitrate and duration. Use the combined bitrate…
- Creator Tools
Average Cost per Click
Calculate the average advertising cost for each reported click. Counts and spend must refer to the…
- Creator Tools
Bitrate from File Size
Infer average total bitrate from a known file size and duration. The result includes every stream…
- Creator Tools
Click-Through Rate
Measure impression-based click-through rate for a campaign or content placement. Enter whole counts with no more…
- Creator Tools
Cost per Thousand Impressions
Normalize campaign spend to the cost of 1000 served impressions. Use spend and impressions covering the…
- Creator Tools
HEX to RGB and HSL
Convert an opaque six-digit sRGB hex color into RGB channel values and HSL coordinates. HSL output…
- Creator Tools
Image Aspect Ratio
Reduce whole-pixel dimensions to their exact width-to-height ratio. Useful for matching artwork to a layout or…
- Creator Tools
Local HTML Invoice Generator
Create an escaped standalone invoice HTML download from seller/buyer text and 1–100 line items. Supply item…
- Creator Tools
Proportional Resize Dimensions
Calculate the height needed to preserve an image or video’s proportions at a new target width.…
- Creator Tools
Random UUID v4 Generator
Generate 1–100 RFC 9562 version 4 UUIDs using cryptographic random bytes. Version and variant bits are…
- Creator Tools
Return on Ad Spend
Compare attributed campaign revenue with advertising spend as a revenue multiple. Attribution assumptions come from your…
- Creator Tools
Revenue per Thousand Views
Normalize recognized creator revenue to 1000 views. Choose a consistent view definition and reporting period for…
- Creator Tools
Secure Random Integer
Draw one uniformly distributed whole number between inclusive bounds. Both bounds must fit signed 32-bit integers,…
- Creator Tools
Secure Random Password Generator
Generate 1–20 passwords, each 8–128 characters, using Web Crypto and unbiased sampling. Select all symbols, alphanumeric…
- Creator Tools
Video File Size Estimate
Estimate encoded video size from average video bitrate, audio bitrate, and duration. This models bitrate, not…
- Creator Tools
Visitor Conversion Rate
Measure the share of unique visitors who converted at least once. Use visitor counts rather than…