GentoPost

Reddit

Reddit scheduler with on-device compression and official API posting

Submit long-form, community-appropriate posts to Reddit with up to 40,000 characters and no hashtag noise.

Connects through each network's official sign-in. We never ask for your passwords. · Reddit API via official OAuth 2.0 (submit scope).

Reddit media and container specifications

Media, caption and container specifications GentoPost enforces for Reddit
Caption limit40,000 characters
Recommended hashtagsNone — hashtags read as spam here
Preferred aspect ratio16:9
Video containerMP4
Video codecH.264 / AAC
Max video size1 GB
Max durationUp to 15 minutes
Video resolution1920 × 1080 (16:9)
Frame rate24–60 fps
Image formatsJPEG, PNG, GIF
Max image size20 MB
Recommended image size1200 × 675

Reddit character limit calculator

Paste a caption to see exactly how it lands against Reddit's 40,000-character limit and 0 recommended hashtags. Nothing is uploaded — this runs entirely in your browser.

0 / 40,000 characters · 40,000 remaining

Ban-risk and rate-limit safety on Reddit

Humanized posting delays

Reddit penalises identical cross-subreddit spam hardest of all. GentoPost strips hashtags, rewrites the opening and enforces a delay between submissions.

Official API only

Reddit API via official OAuth 2.0 (submit scope). No scraping, no session cookies, no unofficial endpoints — the practices that actually get accounts suspended.

Compression before upload

WebCodecs re-encodes on your device — a 100 MB clip becomes roughly 12 MB — so Reddit uploads finish fast and stay inside its size ceiling. Try the compressor.

Reddit publishing questions

Specifics about limits, media and compliance when GentoPost posts to Reddit.

Does GentoPost add hashtags to Reddit posts?

No. Hashtags read as spam on Reddit, so the adapter removes them and rewrites the copy in an informative register.

How do I avoid a spam filter when cross-posting to Reddit?

Publish to one community at a time with GentoPost's humanized delay enabled, and let the composer rewrite the opening line per subreddit instead of pasting identical text.

Other networks GentoPost publishes to

Ready to publish? See plans and start the 3-day trial.