PostNitro alternative

A free PostNitro alternative for converting carousels

PostNitro generates carousels from prompts. igli converts the ones you already have. No AI to steer, no plan to pick — drop your slides in and get a correctly formatted file back.

Convert a carousel free

What is PostNitro?

PostNitro generates carousels with AI — you give it a topic or prompt and it builds slides with templates and brand kits. It's made for creating new carousels. If your carousel already exists and just needs the right format, that's a different task.

igli vs PostNitro

FeatureigliPostNitro
PriceFreeFree tier; paid ~$10/mo
Signup requiredNoYes
Watermark on free outputNoneOn free plan
Instagram carousel → LinkedIn PDFBuilt for itGenerates new carousels
LinkedIn PDF → Instagram imagesYesNo
What it's forConvert existing carouselsGenerate new carousels

Why pick igli instead

  • Free, with no watermark and no signup.
  • Built to convert carousels you already have, not generate new ones.
  • Works both directions: Instagram to LinkedIn and back.
  • About 30 seconds, start to download.

Try igli free

Drop your slides into igli and get a correctly formatted file in about 30 seconds. Free, no account, no watermark. 45 min → 30 sec.

PostNitro alternative FAQ

Is there a free PostNitro alternative?

Yes. igli is free, with no signup and no watermark. It won't generate carousels for you — it converts the ones you already have between Instagram and LinkedIn.

Does igli generate carousels with AI?

No. igli isn't a generator. It takes a finished carousel and returns it in the right format for the other platform, in about 30 seconds.

Can igli turn a LinkedIn PDF back into Instagram images?

Yes. igli converts both directions — LinkedIn PDF to Instagram images, and Instagram carousels to LinkedIn PDFs.