toolsko

Choose your language

ToolsKo is written in English. Prefer another language? Open a translated version of this public page.

Browser language suggestion: English. You can choose any language below.

Translation opens in a new tab using Google Translate. It receives this public page URL. Automatic translations may contain mistakes; use the original English page for tool inputs, downloads, and generated documents.

Your choice is remembered on this browser when storage is available. Use Language in the header to change it.

Story & Reels Safe Zone Checker

See which parts of your 9:16 image get covered by buttons, captions and usernames.

Tool inputs stay in your browser · optional AI search sends your query

Loading tool…

Good to know: Red areas are where the app puts buttons and text. Keep faces, prices and important words inside the clear area. Guides are approximate; apps change their layout. Your files stay on your device: nothing is uploaded.

How to use it (step by step)

  1. 1Choose your tall (9:16) story or reel image.
  2. 2Pick the app (Instagram, TikTok, YouTube Shorts…).
  3. 3Anything in the red areas will be covered by buttons and text. Move important things into the green box.

Words to know

Safe zone
The middle part of a vertical video or story that is not covered by the app’s buttons and captions.
Aspect ratio (9:16, 4:5…)
The shape of an image: width compared to height. 9:16 is tall like a phone screen, 16:9 is wide like a TV, 1:1 is square.
Subtitles (SRT/VTT)
Text files with the words spoken in a video and the exact times to show them.
Area / volume / perimeter
Perimeter = distance around a shape. Area = the flat space inside it (m²). Volume = the space inside a 3D object (m³).

More in Social Media

Caption “See More” Cut-Off PreviewSee which part of your caption people read before the “…more” button.Giveaway Comment Picker (Fair & Verifiable)Paste the comments or names, pick random winners, and get proof that the draw was fair.Spreadsheet (CSV) Winner PickerPick random winners from a spreadsheet or form export, one entry per email or name.Engagement Report from Your Export (CSV)Paste your Meta Business Suite or TikTok export and get engagement rate per post and in total.Best Time to Post (From Your Own Data)Find the days and hours your posts did best, using your own analytics export.Follower Growth TrackerPaste dates and follower counts to see growth, average per day and a 30-day projection.