The tools that keep your secrets — by never seeing them.
Password generators. Image editors. JSON formatters. 32 everyday tools that run entirely as JavaScript on your device — nothing you type, upload, or generate is ever sent anywhere, because there's no server to send it to.
Don't take our word for it
This is a fully working tool, not a screenshot. Type below and watch it respond instantly — open your browser's network tab if you don't believe no request fires.
This is the actual Word Counter tool — no shortened preview, no "sign up to see more."
Pick a category
Every category groups related tools so you can find what you need without digging through menus.
Text & Writing
Word counter, case converter, slug generator, lorem ipsum and more.
5 toolsConverters
Units, Base64, hex/RGB, timestamps, numbers to words.
5 toolsImage Tools
Resize, convert format, crop, pick colors — all on canvas, in-browser.
5 toolsGenerators
Passwords, QR codes, UUIDs, PINs, random pickers.
5 toolsWeb Dev Utilities
JSON formatter, CSS minifier, HTML encoder, meta tags, box-shadow.
6 toolsCalculators
EMI, BMI, age, discount, percentage and CGPA calculators.
Popular tools
Jump straight to the ones people reach for most, no category browsing needed.
Why nothing ever leaves your browser
No server, so no data to leak
There's no backend to store your text, images, or passwords — so there's nothing for a breach to expose.
Works without an internet connection
Once a page loads, the tool keeps working offline, because the logic already lives in your browser.
Instant results, no waiting on a server
Every action — resizing an image, formatting JSON — happens on your device, so there's no upload or processing queue.
How sahaldecode works
No account, no install, no configuration — three steps and you're done.
Open any tool page
Every tool loads instantly as a normal webpage — no app to install, no extension to add.
Use it right away
Type, paste, or upload — the tool responds immediately since the logic runs in your own browser.
Close the tab, nothing's kept
There's no account and no server-side storage, so nothing you did is retained anywhere once you leave.
Frequently asked questions
Are all 32 tools actually free, with no hidden limits?
Yes. There's no premium tier, no usage cap, and no account required for anything on the site — every tool works exactly the same whether it's your first visit or your thousandth.
Is my data really safe if nothing is uploaded?
Since every tool runs as JavaScript inside your own browser, there's no server for your text, images, or passwords to be sent to in the first place — the safety comes from there being nothing to intercept or breach, not from a privacy policy promise.
Do I need to create an account or sign up?
No — every tool is usable immediately with no sign-up, login, or email address required at any point.
Will these tools keep working if my internet drops?
Once a tool's page has fully loaded, yes — since the logic already lives in your browser, most tools keep working offline until you navigate away or close the tab.
Why is sahaldecode free with no ads or premium plan?
Running the site costs almost nothing precisely because there's no backend processing anyone's files — static pages and client-side JavaScript are inexpensive to host at any scale, which is what makes a permanently free, ad-light model realistic here.
Can I suggest a new tool to be added?
The tool set grows over time based on genuinely common everyday needs — the CGPA Calculator, for example, was added after the original 31 based on that kind of practical demand.