Image delivery
Resize, crop, convert, target a file-size ceiling, and remove supported metadata in one ordered flow.
Private tools for everyday work
Every tool starts in your browser.
Focused utilities for everyday work. Core tools run locally; cloud steps are labelled before anything leaves the tab.
Workflow / task outcome
Finish the whole task in one local workspace.
Combine tools, set the result, and export locally.
PDF submission
Merge, reorder, rotate, compress, and inspect document metadata before export.
Privacy sanitizer
Review location, device, time, author, and software metadata before sharing a file.
Privacy built in
Core tools run locally
No account required
Cloud steps labelled first
Featured tools
Tools worth keeping close.
JSON Tree Viewer
Explore JSON as a tree and format it locally, up to 256 KiB. Reject duplicate keys and trailing commas; export formatted or minified JSON without uploading.
Image Cropper
Crop PNG, JPEG, or WebP images to exact pixel coordinates at free or fixed aspect ratios, and export the region as PNG, JPEG, or WebP.
Color Mixer
Blend two colors in sRGB with premultiplied alpha or overlay one on the other, and export the result as HEX, RGBA, and CSS.
PDF Splitter
Extract selected pages or ranges into one new PDF, in the order you choose. Files stay in your browser and the original is unchanged.
Use these worked examples to compare the input, settings and expected result before processing your own files. Practice with a small example
103 free browser tools — no uploads
Toolars is a library of focused online tools for writing, text, JSON, images, design, developer tasks, social mockups, files, and PDF work. Every tool is free, needs no sign-up, runs locally in your browser tab whenever the browser can do the job, and tells you where your input is processed before you start.
Browse by category
Every tool has a place.
7 tools
Writing
Draft, inspect, and transform text without leaving the browser.
16 tools
Image Studio
Edit pixels, inspect images, and export dependable visual assets locally.
17 tools
Design
Build CSS and color systems with live visual feedback and copy-ready output.
31 tools
Developer
Format, encode, verify, and inspect the artifacts that keep development moving.
11 tools
Social Mockups
Compose clearly labelled social mockups, previews, and publishing assets.
10 tools
PDF Tools
Merge, split, and restyle PDF documents locally, without an upload.
11 tools
Files & Utilities
Generate portable codes, shuffle lists, and finish practical one-off tasks locally.
Built around your input
Privacy is built into the path.
Toolars labels execution before you start and keeps local work in the active browser tab.
Local by design
Core tools run on your device when browser APIs can do the work responsibly.
Cloud labelled first
Any external processing is explained before your input leaves the tab.
No hidden history
Tool input, output, and files are not captured as product history.
Questions people ask most
Do I need an account?
No. Core browser tools work immediately. An account is only for optional synced preferences and favorites.
Are my files uploaded?
Local-labelled tools process data inside your browser. Cloud and hybrid tools explain the transfer before it begins.
Can I request a new tool?
Yes. Describe the input, transformation, and result you need without including passwords, private files, or other sensitive data.
Can I use Toolars from my browser toolbar?
The Extensions page explains the Chrome workflow and provides the current access link. The full web catalog remains available in every browser.
Focused tools. Better outcomes.
The next task should take less time.
7 clear categories, each designed around the work—not the setup.