
10015.io
Bitty Coder
CodeSwissKnife
ToolKitKE
devtoolz.dev
Code Beautify JSON Validator
FreeFormatter
Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.

Todoist
Task Coach
EssentialPIM
CherryTree
GTDNext
Taskwarrior
Strikethru
Track your tasks and projects in a plain text file, todo.txt. A todo.
Which is more popular?
Based on our record, Todo.txt seems to be more popular. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codekithub.com | todotxt.org |
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| Platforms | — | |
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What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of CodeKitHub yet.
Overall verdict
Why this product is good
Recommended for
People who are tech-savvy and appreciate minimalism, users who dislike being tied down by proprietary software, those who want a highly customizable system, and anyone who enjoys working with plain text formats and automation.
Walkthroughs and reviews on video.
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My Todo.txt Workflow
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeKitHub and Todo.txt.
CodeKitHub's answer
CodeKitHub's answer
Compared to single-purpose sites like JSONFormatter.org or CodeBeautify that only handle one task, CodeKitHub covers the same ground plus image, PDF, QR, and calculator tools in one place — useful if you regularly switch between different tool types during a workday.
Unlike FreeFormatter (which recently shut down its service), CodeKitHub's tools require no backend at all — everything runs as static, client-side JavaScript, so there's no server cost pressure driving ads, paywalls, or future shutdowns of the kind that killed similar sites.
If you need a tool site in a language other than English — Spanish, French, German, Japanese, Korean, Chinese, and others — CodeKitHub is one of the few free tool sites that actually localizes the full interface rather than just running it through machine translation on top of an English-only tool.
CodeKitHub's answer
CodeKitHub serves two overlapping groups:
Traffic data shows both groups in practice: technical tools (QR generator/decoder, Base64 encoder, JSON tools) draw developer-heavy referral sources like Hacker News and ChatGPT, alongside broader organic search traffic for everyday utility tasks.
CodeKitHub's answer
CodeKitHub started as a small set of browser-based developer utilities and grew into a 120+ tool collection covering JSON formatting, encoding, image/PDF processing, calculators and more. The core principle from the start was that every tool should run entirely client-side — no backend, no data leaving the user's browser — which keeps the tools fast, private, and cheap enough to run without ads getting in the way. The site has since expanded to 13 languages to serve users beyond English-speaking markets.
CodeKitHub's answer
Share your experience with using CodeKitHub and Todo.txt. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of CodeKitHub yet. Be the first one to post
Todo.txt is a simple plain text file for writing tasks. Using the simple motto, “if you want to get it done, first write it down“, the free and open-source Todo.txt has simplicity at its core as it offers users a...
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeKitHub since Jul 2026.
I maintain a fleet of small OSS projects. The cross-cutting "what do I do next" list used to live in my head, then in a SaaS board, then nowhere useful. What finally stuck is embarrassingly low-tech: a single todo.txt in todo.txt format,... - Source: dev.to / 3 months ago
I've gone full circle at least two or three times in my life when it comes to todo apps. Where I end up every time I tried all apps and processes is a todo.txt file, based on the http://todotxt.org file format. Now AI agents happily... - Source: Hacker News / 5 months ago
I built this plugin because I'm a huge fan of todo.txt files. Just plain text, no databases, no complex formats, no vendor lock-in. And pairing that simplicity with Sublime Text's blazing speed helps me tremendously with keeping my ADHD... - Source: Hacker News / 11 months ago
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