Official destination · Free utilities
n8n Tools — free, fast, ad-free developer utilities
n8n.io/tools is a collection of small browser-based tools and converters built for developers: JSON formatters, cron expression builders, hashers, encoders, generators and AI-assisted helpers — all free, all without ads or sign-up.
- No account needed
- Free
- No trackers in your way
- Ad-free
- Data stays local
- In-browser
- Built for builders
- Dev-first
What is it?
These are the utilities you normally search for and land on an ad-covered page for: converting JSON to CSV or YAML, prettifying and validating payloads, building and explaining cron schedules, base64 and URL encoding, UUID and hash generation, JWT decoding, regex testing, timestamp conversion, and AI helpers that turn a plain-English description into an expression or a schedule. They run in the browser, load instantly, and are directly useful while you are building an n8n workflow in the next tab.
How you benefit
Cron expression helpers
Build a schedule visually or paste one and get a plain-English explanation plus the next run times — exactly what the Schedule Trigger needs.
JSON, CSV, XML and YAML converters
Reshape payloads between formats while designing a workflow, without writing a throwaway Code node just to see the structure.
Encoders, hashes and tokens
Base64, URL encoding, UUIDs, MD5/SHA hashes and JWT decoding — the everyday plumbing of API integrations.
Regex and expression testing
Validate a pattern against sample data before you paste it into a Filter or Code node and wonder why nothing matches.
AI-assisted generators
Describe what you want in words and get a cron expression, a regex or a snippet back — useful when you know the intent but not the syntax.
Client-side by design
The conversions run in your browser, so pasted payloads are not uploaded anywhere. Still, never paste live production secrets into any online tool.
Why these tools matter while you build workflows
Most time lost in automation work is not spent on logic; it is spent on format friction. An API returns a nested JSON that must become flat CSV, a timestamp arrives in Unix seconds and must be ISO, a schedule needs to run at 07:30 on weekdays only. Each of those is a two-minute detour if you have the right utility open and a twenty-minute detour if you do not.
Keeping n8n.io/tools open in a second tab while building removes that friction and, unlike random search results, does not bury the input box under advertising.
Pairing each tool with the right n8n node
The utilities map almost one to one onto the nodes you will use next.
- Cron builder → Schedule Trigger node.
- JSON formatter / validator → Code node and HTTP Request body.
- JSON to CSV → Convert to File node before an email or storage upload.
- Base64 encoder → binary handling and Basic Auth headers.
- JWT decoder → debugging OAuth2 and API credential problems.
- Regex tester → Filter, If and Code nodes.
- Timestamp converter → Date & Time node and range filters.
Safety rules for online converters
Even client-side tools should be treated with discipline, because habits transfer. Build the habit of redacting before pasting, and you will never leak a live key into a tool that is not client-side.
- Replace real tokens, keys and personal data with placeholders before pasting.
- Use a sample record, not a full production export.
- For anything regulated, do the conversion inside a Code node in your own instance instead.
What you will find
| Category | Typical tools | Use it when |
|---|---|---|
| Scheduling | Cron builder, cron explainer | Configuring a Schedule Trigger |
| Data formats | JSON ⇄ CSV ⇄ YAML ⇄ XML, prettifier | Reshaping an API payload |
| Encoding | Base64, URL encode/decode, escape | Headers, binary data, query strings |
| Security | Hash generators, JWT decoder, UUID | Debugging auth and idempotency keys |
| Text & patterns | Regex tester, diff, case converters | Filters, parsing and cleanup steps |
| AI helpers | Natural-language to cron / regex | You know the intent, not the syntax |
How to use it — step by step
- 1Open n8n.io/tools and skim the categories once so you know what exists.
- 2Bookmark the two or three you will use weekly — usually the cron builder and the JSON converter.
- 3Keep the tab open beside your n8n canvas while building.
- 4Redact secrets and personal data from any sample you paste.
- 5Copy the generated value straight into the matching n8n node.
- 6Run the workflow once with pinned test data to confirm the output shape.
- 7For repeated conversions inside a workflow, move the logic into a Code node so it runs automatically.
Quick checklist
- Cron builder bookmarked
- JSON converter bookmarked
- Sample data redacted before pasting
- Generated value tested in the real node
- Repeated conversions moved into the workflow
Common mistakes to avoid
Pasting a production payload with live tokens
Redact secrets and use one representative sample record.
Hand-writing cron expressions from memory
Build them in the cron tool and read the next run times before saving.
Using an online converter inside a repeatable process
Automate the conversion with a Code or Convert to File node in n8n.
Trusting a regex that was never tested
Test against both matching and non-matching samples first.
Pro tips
- The cron explainer is the fastest way to review someone else's schedule during a code review.
- Validate JSON before blaming the node — most 'broken node' reports are malformed payloads.
- Decode a JWT to check the exp claim before debugging auth any further.
- Convert timestamps to ISO early; consistent formats prevent silent comparison bugs.
FAQ
Are the tools really free?
Yes — free, no account, no ads. They exist as a developer-goodwill resource around the n8n product.
Is my pasted data uploaded?
The utilities are browser-based, so conversions happen locally. Regardless of that, treat any online tool as untrusted and redact secrets before pasting.
Do I need an n8n account to use them?
No. They are standalone web pages and work without signing in or installing anything.
Can I do the same thing inside n8n?
Yes — a Code node, the Date & Time node and Convert to File cover most conversions. Use the online tools for exploration and the nodes for anything that must run repeatedly.
Ready to jump in? Open the official page directly.
Open the tools