
iLovePDF
utilz
Adobe Acrobat DC
Smallpdf
Sejda
UtilBloom
PDF24
Free online tools for PDF editing, QR codes, OCR, image editing, and unit conversion. All tools run in your browser — no uploads, no signup, 100% private.

Smallpdf
iLovePDF
100+ Developer Tools
TinyWow
PDF24 - Online PDF Tools
123apps
1000.tools
Free online developer tools: JSON formatter, PDF merger, image compressor, Base64 encoder, UUID generator, and 160+ more. No signup required. 100% client-side processing keeps your data private and secure.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | utilvo.com | toolz.dev |
| Pricing | ||
| Company | Startup from Egypt · 10 - 19 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Hi! We build Utilvo — a free, privacy-first web platform featuring over 1,600 client-side tools for PDF manipulation, document engineering, file conversions, and developer utilities. Everything runs 100% locally inside your browser via WebAssembly, guaranteeing zero server uploads and total...
No description of Toolz.dev yet.
What each product offers, as listed by its team.


How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Utilvo and Toolz.dev.
Utilvo's answer
Three core advantages: first, complete privacy—your files never leave your device. Second, zero upload and download waiting times, as all operations execute using local computing power. Third, unmatched versatility, offering more than 1,600 specialized tools across PDF engineering, graphic conversions, cryptography, and calculations without aggressive paywalls or artificial file size limits.
Toolz.dev's answer:
Speed and privacy. Traditional utility sites force you to navigate through ads, pop-ups, and slow load times. Toolz.dev eliminates this friction. Because it requires no account and processes tools rapidly, developers can format JSON, test Regex, or encode Base64 without breaking their flow or worrying about pasting sensitive data into unverified web forms.
Utilvo's answer
Utilvo is built entirely on a zero-server-retention architecture. Unlike conventional web utilities that require uploading private files to remote cloud servers, Utilvo processes documents, images, and calculations locally inside the user's browser using client-side WebAssembly. This guarantees absolute data privacy, instantaneous execution speed, and zero risk of data leakage.
Toolz.dev's answer:
Toolz.dev consolidates over 160 essential developer and everyday utilities into a single, unified interface that is accessible with just one keystroke. Unlike scattered bookmarks or ad-heavy web apps, it offers instant search, execution, and saving capabilities completely friction-free—without ever requiring an account.
Utilvo's answer
The primary audience includes software developers, designers, accountants, students, legal professionals, and privacy-conscious individuals who handle sensitive documents daily and require fast, reliable, and secure online utilities without risking confidentiality.
Toolz.dev's answer:
Our primary audience includes software developers, engineers, data scientists, and technical creators who frequently rely on micro-utilities (like formatters, encoders, calculators, and translators) to get their daily work done efficiently.
Utilvo's answer
Utilvo was created to solve a persistent privacy dilemma on the modern web: why should users be forced to upload confidential contracts, personal photos, and sensitive data to unknown third-party servers just to perform basic tasks like converting a file or editing a PDF? Utilvo was engineered to bring desktop-grade document processing directly into the browser, putting users in full control of their data.
Toolz.dev's answer:
We were tired of Googling "JSON formatter" or "Base64 encoder" multiple times a day, only to land on cluttered websites that slowed down our workflow. We wanted a comprehensive, lightning-fast toolkit that lived entirely out of the way until the exact moment we needed it. We built Toolz.dev to be the ultimate, accessible-in-a-keystroke utility belt we wished we had.
Utilvo's answer
Next.js, TypeScript, WebAssembly (Wasm), Web Workers for multithreaded background processing, HTML5 Canvas, Web Cryptography API, and modern responsive CSS architectures.
Toolz.dev's answer:
Toolz.dev is built using modern web technologies like React/Next.js and styled with Tailwind CSS to ensure a clean, responsive UI. We heavily utilize client-side processing for our tools to ensure maximum speed and data privacy for our users.
Utilvo's answer
Toolz.dev's answer:
Share your experience with using Utilvo and Toolz.dev. For example, how are they different and which one is better?
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