FeaturedFree
AI Caption Generator
Write social media captions with free AI. Choose a platform, tone, and audience, generate three editable options, and copy or download your favorite.
Postly social media toolkit
Free tools for better content. Postly for the whole workflow.
Use every free utility below, then plan, create, approve, schedule, publish, and analyze social content across your channels in Postly.
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Find tools for content planning, hashtags, video preparation, campaign links, and publishing.
Top picks
Start with a stronger social workflow
Practical helpers for planning, creating, measuring, and publishing better social content.
FeaturedFree
Social Media Image Resizer
Resize and crop images into square, portrait, story, and landscape formats. Adjust framing, download PNG or JPEG, or export a ZIP, all in your browser.
FeaturedFree
Social Media Post Preview
Preview social media text and images before publishing. Check line breaks, approximate feed truncation, and character counts in desktop or mobile layouts.
Browse by category
35 tools
Free AI writing tools
Create and refine captions, bios, scripts, and posts with three editable options.
FeaturedFree
AI Caption Generator
Write social media captions with free AI. Choose a platform, tone, and audience, generate three editable options, and copy or download your favorite.
Free
AI Bio Generator
Create a social media bio for your business or personal brand. Generate three editable AI bios with a custom character target, tone, and audience.
Free
AI Call to Action Generator
Generate clear calls to action for social posts and campaigns. Describe the offer and desired action, then compare three editable AI suggestions.
Free
AI Content Idea Generator
Find social media content ideas for your niche and audience. Generate three practical post concepts with suggested formats and angles to develop.
Free
AI Hook Generator
Generate opening lines for social media posts. Get three editable AI hooks tailored to your topic, audience, platform, and tone, without signing up.
Free
AI LinkedIn Post Generator
Write LinkedIn post drafts from your professional experience. Generate three clear alternatives, edit the opening and structure, and preview before posting.
Free
AI Paraphrasing Tool
Rewrite social media copy while preserving its meaning. Get three editable paraphrases in your chosen tone and language, with no signup required.
Free
AI Social Media Post Generator
Create complete social media post drafts from an idea. Choose your audience, platform, and voice, then edit, preview, copy, or download three AI options.
Free
AI Text Expander
Expand a short social media idea into a fuller draft. Add clarity and structure using the details you provide, then edit and download three alternatives.
Free
AI Text Shortener
Shorten social media text while keeping its main message. Generate concise alternatives, check their length, and copy or download the edited result.
Free
AI Video Script Generator
Generate short social video scripts from your idea. Get three editable drafts with an opening, main message, and closing for Reels, Shorts, or social videos.
Free
AI YouTube Description Generator
Create YouTube video descriptions from your notes. Generate clear summaries and calls to action, then add verified links and edit the text before publishing.
Free
AI YouTube Title Generator
Generate YouTube title ideas based on your video. Compare three concise AI titles, edit the wording, and choose an accurate title that matches the content.
Image preparation tools
Resize, crop, compress, and convert images locally in your browser.
FeaturedFree
Social Media Image Resizer
Resize and crop images into square, portrait, story, and landscape formats. Adjust framing, download PNG or JPEG, or export a ZIP, all in your browser.
Free
Image Compressor
Compress images in your browser. Adjust JPEG or WebP quality, reduce dimensions, compare file size, and download without uploading your photos.
Free
Image Format Converter
Convert JPEG, PNG, and WebP images in your browser. Preview the result, choose a background for JPEG, and download the converted image for free.
Publishing preparation tools
Preview posts, check text budgets, tidy drafts, and create QR codes.
FeaturedFree
Social Media Post Preview
Preview social media text and images before publishing. Check line breaks, approximate feed truncation, and character counts in desktop or mobile layouts.
Free
QR Code Generator
Create a free static QR code for a website link or text. Preview it instantly, choose a download size, and export PNG or SVG without signing up.
Free
Social Media Character Counter
Count social media characters, words, and lines. Compare standard post limits, check X weighted length, and copy or download your edited text.
Free
Social Media Text Formatter
Clean up social media text, change case, trim extra spaces, and format bullet lists. Preview the result and copy or download plain text for free.
Social media tools
Create faster, plan smarter, and publish with more confidence.
SEO and website tools
Boost visibility, sharpen metadata, and grow organic reach.
Video utilities
Utilities for working with video you have permission to use.
Developer and utility tools
Clean, convert, validate, and generate technical assets instantly.
Build on the result
Keep the tool. Connect it to the workflow.
Postly keeps these free tools useful first, then helps you turn downloads, links, captions, and campaign assets into scheduled publishing, approvals, repurposing, and analytics.