Free Error detection - 45 Free AI tools

EssayGrader v2.0

Leverage AI to expedite essay grading.

Essay grading

Open

2,225 essaygrader.ai

I like the details in the error reports, it makes it easy to share with the students, and the bulk upload feature makes it really fast to grade a lot of essays at once.

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🇺🇸 United States

Released 1y ago

Free + from $6.99/mo

20,893

138

3.0

ChatGPT for Translators

AI-powered document translation for faster, better results.

Text translation

Open

634 pro.wordscope.com

Balázs Kornél

🙏 5 karma

May 9, 2025

@ChatGPT for Translators

Inconvenient UI, bad translation, lack of possibility to delete account, pricing nowhere to be checked.

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🇧🇪 Belgium

Released 5y ago

Free + from $39/mo

16,591

117

3.8

SQLAI.ai

Build SQL queries instantly with AI

SQL

Open

651 aihelperbot.com

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🇩🇪 Germany

Released 3y ago

Free + from $6/mo

7,545

24

Free AI Detector

A free AI content detector with analysis

AI detection

Open

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Released 10mo ago

100% Free

5,235

45

3.5

Coderbuds

AI code reviews for 10x development

Code reviews

Open

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Released 4y ago

Free + from $20/mo

4,519

68

5.0

Code-genius

AI code generation for developers

Coding

Open

I'm a developer and Code Genius is my pair programming, it's amazing how much time it already saved me. Especially when it comes to unit tests (Jest and React Testing Library) 💯 Recommended!

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🇲🇽 Mexico

Released 3y ago

Free + from $6/yr

4,239

34

5.0

WriteHuman: AI Detector

Discover WriteHuman's AI Detector: distinguishing between AI-generated and human-written text.

AI detection

Open

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Released 2y ago

Free + from $9/mo

3,983

37

5.0

Decipher

AI that analyzes your session replays to uncover issues and behavior

Debugging

Open

974 getdecipher.com

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🇺🇸 United States

Released 2y ago

Free + from $199/mo

4,923

43

3.5

Mentor AI

Versatile chatbot for writing, proofreading, and more.

Task automation

Open

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Released 2y ago

Free + from $2

3,739

50

3.5

Humbot

Make AI text undetectable with cutting-edge bypass technology.

AI detection

Open

2,005 bypassdetection.ai

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Released 2y ago

Free + from $7.99/mo

5,544

11

5.0

FuturePerfect

Scan Your Entire Website to Detect Spelling and Grammar Mistakes

Website proofreading

Open

Dario Gustavo Arraigada

🙏 6 karma

Jun 22, 2024

@FuturePerfect

Very Good...Scan

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Released 1y ago

Free + from $6/mo

3,405

39

3.6

ZeroGPT

Detect AI-generated text with high accuracy.

AI detection

Open

Aramis

🛠️ 2 tools 🙏 1,085 karma

Apr 28, 2025

@ZeroGPT

Idk, it works for me. give it another shot

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🇺🇸 United States

Released 2y ago

Free + from $7.99/mo

3,352

50

3.3

ContentDetector

Detect AI-generated content with precision.

AI detection

Open

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🇺🇸 United States

Released 3y ago

100% Free

2,841

25

1.0

AI Checker Tool

Unmask AI-generated content with precision

AI detection

Open

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Released 2y ago

Free + from $4/mo

2,373

29

2.2

Grammar Check

AI-powered grammar perfection, instantly.

Grammar

Open

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Released 3y ago

Free + from $7/mo

2,332

30

4.0

Aider Chat

AI pair programming in your terminal

Coding

Open

647 aider.chat

It's a great AI assistant that have made my coding life so much easier.

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Released 3y ago

100% Free

2,919

24

5.0

AIscan24

AI checker to detect AI-generated text with no sign-up required.

AI detection

Open

Gablo Mo

🛠️ 2 tools 🙏 25 karma

Sep 11, 2025

@AIscan24

It's accurate, it's fast, it's honest, it's free without sign-up.

274 Reply Share Delete Report

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Released 9mo ago

100% Free

2,220

53

4.1

Detecting-AI.com

Detect AI-generated content with precision.

AI detection

Open

536 detecting-ai.com

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Released 3y ago

Free + from $5/mo

2,704

16

5.0

Octoeverywhere

Auto-detect 3D printing failures with AI vision

3D printer monitoring

Open

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🇺🇸 United States

Released 3y ago

Free + from $3.99/mo

1,919

9

Decopy

Spot AI-generated text with precision.

AI detection

Open

I recently tried this AI detection tool and it feels very useful. You can try it.

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Released 2y ago

Free + from $6.99/mo

1,512

29

4.0

AI Content Detector

Detect AI-generated content for free

AI detection

Open

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🇩🇰 Denmark

Released 2y ago

Free + from $49/mo

1,469

7

Humanizey AI

Bypass AI detection by humanizing your text.

Text humanization

Open

Cheaper than most tools in the market

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Released 8mo ago

Free + from $8/mo

1,273

15

3.7

Capture.dev

Instant, actionable, bug reports straight from your browser.

Bug reports

Open

So nice app, 🤩🤩

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Released 1y ago

Free + from $8/mo

1,117

10

X Detector

Detect AI-generated content in 20+ languages

AI detection

Open

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Released 1y ago

100% Free

967

14

1.0

Dechecker AI

Instantly detects AI-generated content from ChatGPT, Claude, and Gemini.

AI detection

Open

I tried different chats between me and Chat and also Claude. There is an 80% chance this detecter is full of shit. Of all the text where i actually spoke my thoughts to ChatGpt, it was flagged as AI written. Just... WTF??

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Released 7mo ago

100% Free

840

21

4.0