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toolzip

Building ToolZip — 76 free browser-based tools for image, video, PDF, and developer utilities. Everything runs client-side. No file uploads, no server, no watermark. toolzip.app

Joined Joined on  Email address hello@toolzip.app Personal website https://www.toolzip.app
Next.js SEO That Actually Works — Beyond Meta Tags
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Next.js SEO That Actually Works — Beyond Meta Tags

#nextjs #seo #webdev #javascript
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3 min read

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JPEG, PNG, WebP, AVIF, HEIC — When to Use Which (And How to Convert Between Them)
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JPEG, PNG, WebP, AVIF, HEIC — When to Use Which (And How to Convert Between Them)

#webdev #javascript #images #performance
1
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3 min read
How I Built a Video Compressor That Runs Entirely in Your Browser
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How I Built a Video Compressor That Runs Entirely in Your Browser

#webdev #javascript #ffmpeg #opensource
1
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4 min read
Building a BMI Calculator — The Math, the Korean Standard, and the Limitations
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Building a BMI Calculator — The Math, the Korean Standard, and the Limitations

#javascript #webdev #health #tools
1
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4 min read
Building a Unit Converter in JavaScript — The Edge Cases Nobody Talks About
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Building a Unit Converter in JavaScript — The Edge Cases Nobody Talks About

#javascript #webdev #beginners #tools
1
Comments
4 min read
Hash Functions Explained — MD5 vs SHA-256 vs SHA-512 (With Code)
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Hash Functions Explained — MD5 vs SHA-256 vs SHA-512 (With Code)

#webdev #security #javascript #beginners
1
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5 min read
Your Photos Are Leaking Your Home Address — EXIF Data Explained
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Your Photos Are Leaking Your Home Address — EXIF Data Explained

#webdev #security #privacy #tools
1
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4 min read
How to Watermark Images in Your Browser — No Upload, No Software
toolzip profile

How to Watermark Images in Your Browser — No Upload, No Software

#webdev #javascript #tools #images
1
Comments
4 min read
Build a D-Day Counter in JavaScript — Date Arithmetic, Timezone Pitfalls, and Edge Cases
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Build a D-Day Counter in JavaScript — Date Arithmetic, Timezone Pitfalls, and Edge Cases

#javascript #webdev #tools #beginners
1
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4 min read
Compress PDFs in Your Browser — No Upload, No Server, Free
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Compress PDFs in Your Browser — No Upload, No Server, Free

#webdev #tools #javascript #pdf
1
Comments
4 min read
Why Chrome Saves Images as .webp — And How to Convert Them Without Uploading
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Why Chrome Saves Images as .webp — And How to Convert Them Without Uploading

#webdev #javascript #tools #images
2
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3 min read
Resize Images in Your Browser — No Upload, No Server, Free
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Resize Images in Your Browser — No Upload, No Server, Free

#webdev #javascript #tools #webassembly
1
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2 min read
AVIF vs WebP vs JPEG — Which Image Format Should You Use in 2026?
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AVIF vs WebP vs JPEG — Which Image Format Should You Use in 2026?

#webdev #javascript #performance #tools
1
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3 min read
Convert Videos in Your Browser — No Upload, No Server, Free (MP4, MOV, WebM, AVI, MKV)
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Convert Videos in Your Browser — No Upload, No Server, Free (MP4, MOV, WebM, AVI, MKV)

#webdev #javascript #webassembly #tools
2
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3 min read
Compress Videos in Your Browser — No Upload, No Server, Free
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Compress Videos in Your Browser — No Upload, No Server, Free

#webdev #javascript #tools #opensource
Comments
2 min read
How I Built a Client-Side PDF Toolkit — 6 Tools, No Server
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How I Built a Client-Side PDF Toolkit — 6 Tools, No Server

#webdev #javascript #opensource #toolzip
1
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5 min read
Building a Barcode Generator That Actually Works — The bwip-js EAN-13 Deep Dive
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Building a Barcode Generator That Actually Works — The bwip-js EAN-13 Deep Dive

#javascript #webdev #tutorial #opensource
Comments
4 min read
I built a free browser-based image & utility toolkit — here's what I learned
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I built a free browser-based image & utility toolkit — here's what I learned

#webdev #javascript #nextjs #opensource
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3 min read
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