SocialRobot· Free · 2026

Free social media tools

Character counters with feed-fold marks, bios and headlines under real caps, plus OG/YouTube crops and a UTM builder. Everything runs in your browser; we don’t ask for an account to use it.

Twitter character counter See 2026 sizes

Copy & limits

Social media character counter

Live counts with hard limits and feed fold lines for X, Instagram, LinkedIn, Threads, Bluesky, and more.

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Character limits cheat sheet

2026 hard limits and feed fold points for every network SocialRobot publishes to.

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Instagram bio generator

Assemble paste-ready Instagram bios under 150 characters from who / what / proof / CTA. Not random AI filler.

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LinkedIn headline generator

Build LinkedIn headlines under 220 characters with a mobile-safe (~120) variant for search previews.

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Image

Social media image resizer

Crop one image into Instagram, LinkedIn, Pinterest, TikTok, and more using SocialRobot publish presets.

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Instagram image resizer

Free Instagram crop tool for feed (1:1, 4:5, 1.91:1) and Stories with safe zones.

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LinkedIn image resizer

Resize LinkedIn post images to the long-edge and file limits SocialRobot uses at publish.

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Pinterest image resizer

Crop pins to the standard 2:3 (1000×1500) Pinterest image size.

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TikTok image resizer

Crop photo posts to 9:16 (1080×1920) with the same TikTok image size SocialRobot publishes.

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Social image compressor

Compress images under platform file limits (Bluesky 2 MB, X 5 MB, LinkedIn 5 MB, and more).

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Open Graph image resizer

Crop link-preview images to 1200×630 (1.91:1) for Facebook, LinkedIn, Slack, and Discord cards.

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YouTube thumbnail resizer

Crop custom YouTube thumbnails to 1280×720 (16:9). Keep faces clear of the duration badge corner.

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Facebook cover resizer

Crop Facebook Page/profile covers to 820×312 with a centered safe zone for mobile crop.

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Instagram carousel slicer

Slice a wide Figma-style swipe canvas into equal 4:5 or 1:1 Instagram slides and download a ZIP.

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Links

UTM link builder

UTM tags tell Analytics which Instagram bio, LinkedIn post, or email sent a click. Build tagged URLs with live preview.

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Free social media tools

XSocial media character counter

Character limits cheat sheet

InstagramInstagram bio generator

LinkedIn headline generator

Social media image resizer

InstagramInstagram image resizer

LinkedIn image resizer

PinterestPinterest image resizer

TikTokTikTok image resizer

Social image compressor

FacebookOpen Graph image resizer

YouTube thumbnail resizer

FacebookFacebook cover resizer

InstagramInstagram carousel slicer

UTM link builder

Social media character counter

Instagram bio generator

Instagram image resizer

Pinterest image resizer

TikTok image resizer

Open Graph image resizer

Facebook cover resizer

Instagram carousel slicer