# ReplytoSocial

> Reply to anything. Without leaving the feed.

## Product

ReplytoSocial is a Chrome extension that drafts on-brand AI replies to social posts without leaving the feed. It supports X, LinkedIn, Reddit, Threads, and Bluesky on desktop Chrome.

## Free tools

- [Post length checker](https://replytosocial-website-staging.workers.dev/tools/post-length-checker): Check a post against the limits for X, LinkedIn, Reddit, Threads, and Bluesky.
- [Thread splitter](https://replytosocial-website-staging.workers.dev/tools/thread-splitter): Break a long draft into posts that fit the platform you choose.
- [Twitter thread maker](https://replytosocial-website-staging.workers.dev/tools/twitter-thread-maker): Turn long-form notes into a numbered X thread in your browser.
- [Twitter character counter](https://replytosocial-website-staging.workers.dev/tools/twitter-character-counter): Check copy against X post, Premium, DM, and bio limits.
- [Character counter](https://replytosocial-website-staging.workers.dev/tools/character-counter): Count characters and words across the limits for every supported platform.
- [Blank line generator](https://replytosocial-website-staging.workers.dev/tools/blank-line-generator): Add spacing that survives when you paste a reply or thread.
- [Case converter](https://replytosocial-website-staging.workers.dev/tools/case-converter): Fix uppercase, lowercase, title case, and more in a few clicks.
- [Emoji combiner](https://replytosocial-website-staging.workers.dev/tools/emoji-combiner): Find and copy an emoji combination that fits your reply.
- [Best time to post](https://replytosocial-website-staging.workers.dev/tools/best-time-to-post): Find a starting time for publishing on each supported platform.
- [Engagement rate calculator](https://replytosocial-website-staging.workers.dev/tools/engagement-rate-calculator): Compare engagement across posts and profiles.
- [Social media ROI calculator](https://replytosocial-website-staging.workers.dev/tools/social-media-roi-calculator): Estimate clicks, conversions, revenue, and return from campaign inputs.
- [Hashtag research tool](https://replytosocial-website-staging.workers.dev/tools/hashtag-research-tool): Generate ideas and browse focused hashtag lists.
- [X hashtag generator](https://replytosocial-website-staging.workers.dev/tools/twitter-hashtag-generator): Build local hashtag suggestions from an X draft.
- [Bluesky hashtag generator](https://replytosocial-website-staging.workers.dev/tools/bluesky-hashtag-generator): Build local hashtag suggestions from a Bluesky draft.
- [X handle checker](https://replytosocial-website-staging.workers.dev/tools/twitter-handle-checker): Clean an X handle and try close alternatives.
- [LinkedIn username checker](https://replytosocial-website-staging.workers.dev/tools/linkedin-username-checker): Check a LinkedIn profile slug and find variations.
- [Reddit username checker](https://replytosocial-website-staging.workers.dev/tools/reddit-username-checker): Check a Reddit username and open its profile.
- [Threads username checker](https://replytosocial-website-staging.workers.dev/tools/threads-username-checker): Clean a Threads handle and check the public profile.
- [Bluesky handle checker](https://replytosocial-website-staging.workers.dev/tools/bluesky-handle-checker): Check a Bluesky handle, including custom domains.
- [X username checker](https://replytosocial-website-staging.workers.dev/tools/twitter-username-checker): Clean an X username, open its profile, and try close alternatives.
- [Bluesky username checker](https://replytosocial-website-staging.workers.dev/tools/bluesky-username-checker): Clean a Bluesky username, open its profile, and try close alternatives.

## Plans

Free supports your own AI key. Pro is $9 per month. Team is $20 per month. Prices can change by region.

## Agent API

- [Agent guidance](https://replytosocial-website-staging.workers.dev/agents.md)
- [Authentication](https://replytosocial-website-staging.workers.dev/auth.md)
- [OpenAPI schema](https://replytosocial-website-staging.workers.dev/openapi.json)
- [Remote MCP endpoint](https://replytosocial-website-staging.workers.dev/api/v1/mcp)
- [MCP server descriptor](https://replytosocial-website-staging.workers.dev/server.json)
- [WebMCP manifest](https://replytosocial-website-staging.workers.dev/webmcp)

## More

- [Full machine-readable summary](https://replytosocial-website-staging.workers.dev/llms-full.txt)
- [About ReplytoSocial](https://replytosocial-website-staging.workers.dev/about.md)
- [Pricing](https://replytosocial-website-staging.workers.dev/pricing)
- [FAQ](https://replytosocial-website-staging.workers.dev/faq)