Best AI Alt Text Generators in 2026
Updated
In short: ALTtext.org is ranked #1 of 27 as of 4 October 2026, ahead of Seeing AI and AltTextLab. The best-ranked option with a free plan is AltTextLab. The lowest first paid tier on this page is AltTextLab at $4/mo.
Whether you are preparing a few image descriptions or fitting them into a publishing workflow, compare the tools on supported image formats and languages. Bulk processing and API access may matter for handling images at scale; CMS plugins, publishing workflows, and custom generation rules offer further points to check. Consider free-plan availability alongside paid-from pricing when weighing cost. AltTextLab and Alt Text Studio open the ranking, followed by AltText.ai and AutoAlt.ai. Look at where descriptions need to be generated and published, and compare the listed integrations and controls with the process you have in mind.
27 AI alt text generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 ALTtext.org iPhone only RecognisedPhone appDocumentedFree plan 6.8 Bulk processing: YesAPI access: Yes
- 2 Seeing AI iPhone + Android RecognisedPhone appDocumentedFree plan 6.6
- 3 AltTextLab No phone app RecognisedPhone appDocumentedFree plan 6.4$4/mo Bulk processing: YesAPI access: YesCMS plugins: Yes
- 4 AutoAlt.ai No phone app RecognisedPhone appDocumentedFree plan 6.4$4.49/mo Bulk processing: YesAPI access: YesCMS plugins: Yes
- 5 Alt Audit No phone app RecognisedPhone appDocumentedFree plan 6.3$5/mo Bulk processing: YesAPI access: YesCMS plugins: Yes
- 6 Altvisor No phone app RecognisedPhone appDocumentedFree plan 6.3€12/mo Bulk processing: YesAPI access: YesCMS plugins: Yes
- 7 Uix Page Builder No phone app RecognisedPhone appDocumentedFree plan 6.3Free Bulk processing: YesAPI access: YesCMS plugins: Yes
- 8 AI Alt Text Generator No phone app RecognisedPhone appDocumentedFree plan 6.2Free Bulk processing: YesAPI access: YesCMS plugins: Yes
- 9 AI Image Alt Text Generator No phone app RecognisedPhone appDocumentedFree plan 6.2Free Bulk processing: YesAPI access: YesCMS plugins: Yes
- 10 AltText.ai No phone app RecognisedPhone appDocumentedFree plan 5.9$4.08/mo Bulk processing: YesAPI access: YesCMS plugins: Yes
- 11 Alt Text Studio No phone app RecognisedPhone appDocumentedFree plan 5.8$4/mo Bulk processing: YesAPI access: YesCMS plugins: Yes
- 12 Alt Text Pro No phone app RecognisedPhone appDocumentedFree plan 5.4 Bulk processing: YesAPI access: YesCMS plugins: Yes
- 13 AltText.io No phone app RecognisedPhone appDocumentedFree plan 5.4 Bulk processing: YesAPI access: YesCMS plugins: Yes
- 14 AltTextAPI No phone app RecognisedPhone appDocumentedFree plan 5.4 Bulk processing: YesAPI access: YesCMS plugins: Yes
- 15 ImageComply No phone app RecognisedPhone appDocumentedFree plan 5.4 Bulk processing: YesAPI access: NoCMS plugins: Yes
- 16 Alta No phone app RecognisedPhone appDocumentedFree plan 5.3 Bulk processing: YesCMS plugins: No
- 17 Altagonist No phone app RecognisedPhone appDocumentedFree plan 5.3 Bulk processing: YesCMS plugins: Yes
- 18 AltGen No phone app RecognisedPhone appDocumentedFree plan 5.3 Bulk processing: YesAPI access: Yes
- 19 ATaaS No phone app RecognisedPhone appDocumentedFree plan 5.3 Bulk processing: YesAPI access: Yes
- 20 Alt Text IQ No phone app RecognisedPhone appDocumentedFree plan 5.2 Bulk processing: YesAPI access: NoCMS plugins: Yes
- 21 ALTification No phone app RecognisedPhone appDocumentedFree plan 5.2 Bulk processing: YesAPI access: YesCMS plugins: Yes
- 22 easyAlt No phone app RecognisedPhone appDocumentedFree plan 5.2 Bulk processing: YesCMS plugins: No
- 23 WriteAlt No phone app RecognisedPhone appDocumentedFree plan 5.2 Bulk processing: YesAPI access: YesCMS plugins: Yes
- 24 AI Alt Text Builder No phone app RecognisedPhone appDocumentedFree plan 5.1 Bulk processing: YesAPI access: NoCMS plugins: Yes
- 25 ALTer No phone app RecognisedPhone appDocumentedFree plan 5.1
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI alt text generator is ranked first on Samsung Mobile US Press?
ALTtext.org is ranked #1 of 27 with a score of 6.8. Seeing AI is second and AltTextLab third.
How many of these have a free plan?
7 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, AltTextLab has the lowest first paid tier we found: $4/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.