Free Data validation - 45 Free AI tools

GPTExcel

Generate spreadsheet formulas with AI

Excel formulas

Open

4,009 gptexcel.uk

after playing around with it for a bit, i am now aware of how much i need this. i can already feel the hours of sleep coming back to me <3

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🇺🇸 United States

Released 3y ago

Free + from $6.99/mo

64,782

2,956

3.4

DataSquirrel

Data cleaning & visualization for insights gained.

Data analysis

Open

3,642 datasquirrel.ai

It is the ease of use for me. DataSquirrel is fast, the UI is super intuitive, and the guided analysis feature is highly convenient. I have officially moved from uploading CSV files from Google sheet to DataSquirrel. Within minutes, I can visualize my data and interpreting it becomes super simple.

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Released 3y ago

Free + from $15/mo

44,018

992

4.4

Informly Idea Validator v2.5

Validate and grow your business idea with AI.

Startup ideas

Open

Kevin Corrigan

🙏 45 karma

Feb 20, 2024

@Informly Idea Validator

Edisa, thanks for the reply. Didn't know about the confidentiality guarantee.

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Released 1y ago

Free + from $29

15,887

453

4.3

DataLine

Chat with your data - AI-driven data analysis and visualization tool.

Data analysis

Open

2,231 dataline.app

I really like DataLine, but I'm kinda biased cause I built it.

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Released 2y ago

100% Free

11,164

178

2.8

SQLAI.ai

Build SQL queries instantly with AI

SQL

Open

646 aihelperbot.com

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🇩🇪 Germany

Released 3y ago

Free + from $6/mo

7,532

24

Cybertiks

Monitor agriculture fields via satellite AI insights

Geospatial analysis

Open

789 cybertiks.com

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🇪🇸 Spain

Released 3y ago

Free + from $192/mo

6,056

32

EaseUS Online Video Repair

Fix corrupted videos online for free in minutes

Video repair

Open

Antonia Mitrea

🙏 469 karma

Dec 22, 2025

@EaseUS Online Video Repair

Hi there, it worked great for me, maybe try again with another video

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Released 1y ago

Free + from $8.9/mo

3,692

49

4.2

Datatera

Convert any file or website to spreadsheet or CRM in seconds

Data analysis

Open

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🇺🇸 United States

Released 2y ago

Free + from $19/mo

3,665

15

ChatwithData

Extract insights from data files effortlessly

Document chat

Open

317 chatwithdata.ai

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Released 3y ago

Free + from $10/mo

3,885

33

4.0

Datature

Build computer vision apps without code

Apps

Open

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🇸🇬 Singapore

Released 5y ago

Free + from $499/mo

3,248

27

Local.ai

Experiment with AI models locally, no GPU required.

LLM testing

Open

1,368 www.localai.app

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🇺🇸 United States

Released 3y ago

100% Free

4,502

22

5.0

TalktoData

AI-Copilot for all your data analytic needs.

Data analysis

Open

352 talktodata.ai

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🇺🇸 United States

Released 2y ago

Free + from $14.99/mo

2,933

10

5.0

JSON Data

Get JSON data about anything from your prompt.

JSON Synthetic data

Open

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Released 3y ago

Free + from $2.99/mo

2,168

7

AI Image Detector

Detect AI-Generated Images Instantly

Image authenticity analysis

Open

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Released 7mo ago

Free + from $19/mo

1,806

10

4.3

IdeaMiner

Discover validated startup ideas from Reddit conversations.

Startup ideas

Open

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🇺🇸 United States

Released 5mo ago

Free + from $19/mo

1,389

21

5.0

Build Or Not

Data-driven startup decisions that boost success rates.

Startup idea validation

Open

shoes feiyue

🛠️ 3 tools 🙏 211 karma

Aug 20, 2025

@Build Or Not

As the founder of BuildOrNot.io, I’m excited to announce that our platform has just been launched. At this early stage, our most valuable asset is your feedback. I warmly invite you to try BuildOrNot.io and share your thoughts—both the strengths you find useful and the shortcomings we should improve. Your ratings and comments will directly help us refine the tool, enhance the user experience, and make the platform more valuable for every entrepreneur. Your voice matters, and I truly appreciate your support on this journey.

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Released 9mo ago

Free + from $20/mo

1,138

29

5.0

SalesTarget

Find & Enrich with 840M+ profiles. Validate contacts. Reach buyers on Email

Lead generation

Open

3,685 salestarget.ai

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Released 9mo ago

Free + from $49/mo

4,790

19

NowKnow

Get market insights in minutes, not weeks.

Market research

Open

stay within rails reminder tool

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Released 1y ago

Free + from $15/mo

1,077

15

3.0

DataLab

From data to insights in seconds, right in your browser.

Data analysis

Open

Is this tool likes excelmatic.ai?

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🇺🇸 United States

Released 2y ago

Free + from $5/mo

1,055

15

3.0

MiniMax Agent v2.7 M

Your AI supercompanion for enhanced creativity and productivity.

Agents

Open

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🇨🇳 China

Releases in TBD

Free + from $19/mo

1,020

27

5.0

Verisquad

Verify claims intelligently with AI-powered fact-checking.

Claim verification

Open

Rating: ★★★★★ Fast, reliable, and fun to use — a game-changer for fact-checking Review: Verisquad is one of the most refreshing and practical AI tools I’ve used. It takes a simple claim — even from a tweet, image, or document — and instantly gives you a factual accuracy score, confidence rating, and relevant sources. What makes it stand out is the reformulation: you don’t just get a judgment, you get a smarter way to say what you meant. I also appreciate the transparency — it doesn’t just tell you ”true” or ”false,” it shows the reasoning and lets you decide. Bonus points for the clean UI, and responsive support. It’s fast, intuitive, and honestly fun to use. Highly recommend if you care about truth in a world of noise.

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Released 1y ago

Free + from $1

1,016

6

4.0

QuickData.ai

Extract T12 and Rent Rolls into Excel with one click.

Real estate appraisal

Open

5,726 quickdata.ai

tried quickdata on a stack of rent rolls (pdf+xls), a couple T12s and one chunky OM. setup's just an excel add in, super barebones ribbon button and it goes straight to work (no gimmicks). it mapped a lot of line items correctly and dumped them into my model fast. i like that it plugs into your existing model instead of forcing theirs. a clearer "why" for each auto category would be good.

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Released 9mo ago

Free + from $99/mo

6,648

8

4.5