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DevToolsmith

Full-stack dev building practical web tools. Creator of 6 products: ToolKit Online, CaptureAPI, CompliPilot, AccessiScan, ChurnGuard, DocuMint. Building in public.

Location EU Joined Joined on  Personal website https://toolkitonline.vip github website

Education

Self-taught developer

Work

Independent Developer — Building 6 SaaS Products

GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing
toolkitonline profile

GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing

#webdev #security #privacy #tutorial
Comments
2 min read
Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do
toolkitonline profile

Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do

#testing #javascript #webdev #devops
Comments
3 min read
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
toolkitonline profile

Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework

#javascript #tutorial #webdev #node
Comments
3 min read
5 Dev Tools I Built in 4 Months — What Worked, What Flopped
toolkitonline profile

5 Dev Tools I Built in 4 Months — What Worked, What Flopped

#indiehackers #saas #webdev #startup
Comments
5 min read
Building an Automated Invoice Processing Pipeline with Node.js
toolkitonline profile

Building an Automated Invoice Processing Pipeline with Node.js

#javascript #tutorial #webdev #node
Comments
3 min read
How to Pass the EAA 2025 Accessibility Audit — A Step-by-Step WCAG Checklist
toolkitonline profile

How to Pass the EAA 2025 Accessibility Audit — A Step-by-Step WCAG Checklist

#a11y #webdev #wcag #eu
Comments
6 min read
Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn
toolkitonline profile

Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn

#business #saas #productivity #webdev
Comments
3 min read
The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR
toolkitonline profile

The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR

#business #saas #javascript #webdev
Comments
3 min read
Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability
toolkitonline profile

Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability

#a11y #webdev #javascript #tutorial
Comments
3 min read
Color Contrast Failures: The Number One Accessibility Issue and How to Fix It
toolkitonline profile

Color Contrast Failures: The Number One Accessibility Issue and How to Fix It

#a11y #css #webdev #beginners
Comments
2 min read
NIS2 Directive 2025: What Software Companies Need to Do Now
toolkitonline profile

NIS2 Directive 2025: What Software Companies Need to Do Now

#webdev #security #devops #tutorial
Comments
2 min read
GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing
toolkitonline profile

GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing

#webdev #security #privacy #tutorial
Comments
2 min read
Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do
toolkitonline profile

Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do

#testing #javascript #webdev #devops
Comments
3 min read
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
toolkitonline profile

Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework

#javascript #tutorial #webdev #node
Comments
3 min read
Building an Automated Invoice Processing Pipeline with Node.js
toolkitonline profile

Building an Automated Invoice Processing Pipeline with Node.js

#javascript #tutorial #webdev #node
Comments
3 min read
Structured Data Extraction from PDFs: Regex vs Template Matching vs AI
toolkitonline profile

Structured Data Extraction from PDFs: Regex vs Template Matching vs AI

#ai #javascript #tutorial #productivity
Comments
3 min read
Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn
toolkitonline profile

Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn

#business #saas #productivity #webdev
Comments
3 min read
The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR
toolkitonline profile

The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR

#business #saas #javascript #webdev
Comments
3 min read
Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability
toolkitonline profile

Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability

#a11y #webdev #javascript #tutorial
Comments
3 min read
Color Contrast Failures: The Number One Accessibility Issue and How to Fix It
toolkitonline profile

Color Contrast Failures: The Number One Accessibility Issue and How to Fix It

#a11y #css #webdev #beginners
Comments
2 min read
NIS2 Directive 2025: What Software Companies Need to Do Now
toolkitonline profile

NIS2 Directive 2025: What Software Companies Need to Do Now

#webdev #security #devops #tutorial
Comments
2 min read
GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing
toolkitonline profile

GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing

#webdev #security #privacy #tutorial
Comments
2 min read
Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do
toolkitonline profile

Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do

#testing #javascript #webdev #devops
Comments
3 min read
Cryptographic audit trail for document APIs (Merkle tree, pure Node crypto, $0 cost)
toolkitonline profile

Cryptographic audit trail for document APIs (Merkle tree, pure Node crypto, $0 cost)

#node #cryptography #saas #api
Comments
2 min read
Cookie banner auto-dismiss patterns for 12 CMPs (open source rules)
toolkitonline profile

Cookie banner auto-dismiss patterns for 12 CMPs (open source rules)

#webdev #javascript #api #opensource
Comments
1 min read
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
toolkitonline profile

Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework

#javascript #tutorial #webdev #node
Comments
3 min read
Building an Automated Invoice Processing Pipeline with Node.js
toolkitonline profile

Building an Automated Invoice Processing Pipeline with Node.js

#javascript #tutorial #webdev #node
Comments
3 min read
Structured Data Extraction from PDFs: Regex vs Template Matching vs AI
toolkitonline profile

Structured Data Extraction from PDFs: Regex vs Template Matching vs AI

#ai #javascript #tutorial #productivity
Comments
3 min read
Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn
toolkitonline profile

Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn

#business #saas #productivity #webdev
Comments
3 min read
The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR
toolkitonline profile

The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR

#business #saas #javascript #webdev
Comments
3 min read
AWS Textract vs ParseFlow: where the cost crossover actually happens
toolkitonline profile

AWS Textract vs ParseFlow: where the cost crossover actually happens

#aws #ocr #saas #webdev
Comments
6 min read
How we recovered 47% of failed Stripe payments without hiring a CSM
toolkitonline profile

How we recovered 47% of failed Stripe payments without hiring a CSM

#stripe #saas #subscriptions #webdev
Comments
6 min read
Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability
toolkitonline profile

Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability

#a11y #webdev #javascript #tutorial
Comments
3 min read
Color Contrast Failures: The Number One Accessibility Issue and How to Fix It
toolkitonline profile

Color Contrast Failures: The Number One Accessibility Issue and How to Fix It

#a11y #css #webdev #beginners
Comments
2 min read
NIS2 Directive 2025: What Software Companies Need to Do Now
toolkitonline profile

NIS2 Directive 2025: What Software Companies Need to Do Now

#webdev #security #devops #tutorial
Comments
2 min read
GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing
toolkitonline profile

GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing

#webdev #security #privacy #tutorial
Comments
2 min read
I shipped a "PDF to JSON" API and forgot to handle PDFs. Here's the 30-min fix.
toolkitonline profile

I shipped a "PDF to JSON" API and forgot to handle PDFs. Here's the 30-min fix.

#nextjs #serverless #typescript #webdev
Comments
2 min read
Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do
toolkitonline profile

Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do

#testing #javascript #webdev #devops
Comments
3 min read
Screenshot APIs in 2026: What Actually Matters Beyond the Free Tier
toolkitonline profile

Screenshot APIs in 2026: What Actually Matters Beyond the Free Tier

#api #webdev #puppeteer #tools
Comments
4 min read
PDF to Structured JSON Without ML Training: A 2026 Developer Guide
toolkitonline profile

PDF to Structured JSON Without ML Training: A 2026 Developer Guide

#api #ai #webdev #tutorial
Comments
3 min read
Stripe Failed Payments: The Recovery Playbook That Saves 38% of Lost MRR
toolkitonline profile

Stripe Failed Payments: The Recovery Playbook That Saves 38% of Lost MRR

#stripe #saas #webdev #startup
Comments 1
4 min read
The European Accessibility Act Is Live — Developer Guide
toolkitonline profile

The European Accessibility Act Is Live — Developer Guide

#a11y #webdev #css
Comments
3 min read
The EU AI Act 2026 Cheat Sheet for Developers (No Lawyer Required)
toolkitonline profile

The EU AI Act 2026 Cheat Sheet for Developers (No Lawyer Required)

#ai #compliance #webdev #security
Comments
3 min read
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
toolkitonline profile

Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework

#javascript #tutorial #webdev #node
Comments
3 min read
Building an Automated Invoice Processing Pipeline with Node.js
toolkitonline profile

Building an Automated Invoice Processing Pipeline with Node.js

#javascript #tutorial #webdev #node
Comments
3 min read
I shipped a "PDF to JSON" API and forgot to handle PDFs. Here's the 30-min fix.
toolkitonline profile

I shipped a "PDF to JSON" API and forgot to handle PDFs. Here's the 30-min fix.

#nextjs #serverless #typescript #webdev
Comments
2 min read
Structured Data Extraction from PDFs: Regex vs Template Matching vs AI
toolkitonline profile

Structured Data Extraction from PDFs: Regex vs Template Matching vs AI

#ai #javascript #tutorial #productivity
Comments
3 min read
Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn
toolkitonline profile

Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn

#business #saas #productivity #webdev
Comments 1
3 min read
The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR
toolkitonline profile

The SaaS Revenue Leak: How Failed Payments Are Silently Killing Your MRR

#business #saas #javascript #webdev
Comments 1
3 min read
Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability
toolkitonline profile

Keyboard Navigation Testing: A Developer Complete Guide to WCAG Operability

#a11y #webdev #javascript #tutorial
Comments
3 min read
EU AI Act: What Every Developer Needs to Know Before Shipping
toolkitonline profile

EU AI Act: What Every Developer Needs to Know Before Shipping

#ai #webdev #eu #compliance
Comments
3 min read
Color Contrast Failures: The Number One Accessibility Issue and How to Fix It
toolkitonline profile

Color Contrast Failures: The Number One Accessibility Issue and How to Fix It

#a11y #css #webdev #beginners
Comments
2 min read
NIS2 Directive 2025: What Software Companies Need to Do Now
toolkitonline profile

NIS2 Directive 2025: What Software Companies Need to Do Now

#webdev #security #devops #tutorial
Comments
2 min read
GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing
toolkitonline profile

GDPR Audit Automation: 5 Compliance Checks You Are Probably Missing

#webdev #security #privacy #tutorial
Comments
2 min read
Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do
toolkitonline profile

Visual Regression Testing with Screenshot APIs: Catch UI Bugs Before Users Do

#testing #javascript #webdev #devops
Comments
3 min read
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
toolkitonline profile

Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework

#javascript #tutorial #webdev #node
Comments
3 min read
Building an Automated Invoice Processing Pipeline with Node.js
toolkitonline profile

Building an Automated Invoice Processing Pipeline with Node.js

#javascript #tutorial #webdev #node
1
Comments
3 min read
Structured Data Extraction from PDFs: Regex vs Template Matching vs AI
toolkitonline profile

Structured Data Extraction from PDFs: Regex vs Template Matching vs AI

#ai #javascript #tutorial #productivity
Comments
3 min read
Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn
toolkitonline profile

Building Retention Playbooks: Proven Strategies to Reduce SaaS Churn

#business #saas #productivity #webdev
Comments
3 min read
EU AI Act Compliance for SMEs: What You Actually Need to Do Before August 2026
toolkitonline profile

EU AI Act Compliance for SMEs: What You Actually Need to Do Before August 2026

#ai #compliance #europe #startup
Comments
4 min read
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