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Code tools

8 tools in this category

URLs → Status Report

Bulk URL Status Code Checker

Paste up to 500 URLs and instantly see status codes, redirect chains, soft‑404 warnings, response times, and headers — 100% free, no sign‑up.

server · 1h delete Open
json -> json.min

JSON minifier

Minify JSON, beautify it back, and see the real compressed size. Flags duplicate keys your parser silently drops.

on-device Open
escaped -> json

JSON Stringify and Unstringify

Escape JSON into a string, or peel every layer of escaping off a log payload. Handles double and triple escaping.

on-device Open
jwt -> claims

JWT Decoder

Read a JSON Web Token's header and payload with every claim explained and the expiry counted down live.

on-device Open
.md → rendered

Markdown Viewer

Open .md files in your browser and read them rendered — tables, code blocks, and syntax highlighting included. Shows document stats and catches structural issues. Nothing is uploaded.

on-device Open

SVG Minifier

Minify and clean SVG files in your browser. Remove editor bloat, optimize numbers and colors, clean unused attributes, and keep your SVGs scalable.

on-device Open
url → redirect report

Trailing Slash Checker

Crawl your site and find every URL that redirects only because of a missing or extra trailing slash — with the exact page still linking to it, not just the redirect itself.

on-device Open
epoch -> date

Unix Timestamp Converter

Convert epoch timestamps to dates and back, with seconds, milliseconds, micro and nanoseconds detected for you.

on-device Open

About the Code tools

Format, minify, decode and validate the things developers paste at 2am. Every tool here runs in your browser — nothing uploaded, no account, no daily limit. Drop in the payload, get the output, close the tab.

How ToolsVale tools are different

Every code tool listed here follows the same four rules — the same rules every tool on ToolsVale follows. You can verify each one yourself in under a minute.

Runs in your browser wherever possible

Most tools are on-device: they process your files locally using standard browser APIs. Your file never leaves your machine. Open your browser's Network tab while you use the tool — you will see zero uploads.

Explicit about server use

Some jobs genuinely need a server — fetching external URLs, running conversions that browsers cannot handle. Those tools carry a visible "server" badge on the tool page and a notice that says exactly what happens to your file and when it is deleted. No hidden uploads, no bait-and-switch.

No accounts, no daily quotas

Free means free. No sign-up wall, no watermarked outputs, no "3 conversions per day" gate. You can use every tool as many times as you need without giving us anything.

One tool, one job

Each tool does one specific job well instead of bundling twenty features into a heavy converter. That means faster pages, clearer results, and less accidental configuration mistakes.

Frequently asked questions about code tools

Are the code tools safe to use with proprietary code?

Yes. Code tools run entirely in your browser — your source code, snippets, and configurations never leave your device or touch our servers.

Are the code tools on ToolsVale really free?

Yes. Every tool in the code category is free to use with no signup, no watermark, and no daily limit. We do not sell your data or run trackers on the tool pages — you can verify this by opening your browser's Network tab while you use any tool.

Do I have to upload my files to use these code tools?

Most tools on ToolsVale run entirely in your browser — your file never leaves your device. Each tool page shows an "on-device" or "server" badge so you know before you start. Server tools are only used when the operation genuinely requires it, and files are deleted within one hour.

Is there a file size or count limit?

On-device tools are limited only by your browser's memory — typically several GB. Server tools cap uploads at a size shown on the tool page. There are no daily limits, no accounts, and no queue.

Will you keep my files or the results?

No. On-device tools never see your files at all — everything happens in your browser. Server tools hold files only long enough to process them and delete them within one hour. We do not log file contents, results, or personal data.

Do I need to create an account?

No account required for any tool. You can use every tool on ToolsVale without signing up. Sign-in only exists so you can leave comments on tools if you want to.