Web developers, programming students, QA professionals and people working with APIs, databases and configuration files.
Tervix collection
Developer toolkit
A local workbench for inspecting formats, preparing test data and handling repetitive development, integration and support tasks.
Validated and transformed data with fewer context switches and no unnecessary pasting into remote services.
Recommended workflow
From goal to result
- 1
Identify the format
Confirm whether the input is JSON, YAML, SQL, a token, a URL or encoded text.
- 2
Validate before transforming
Fix syntax and structure before converting or reusing data.
- 3
Transform a copy
Preserve the original and run conversion or decoding on non-sensitive content.
- 4
Verify in the real system
Test the result in its destination environment before publishing.
Workbench
Tools in this collection
Use them in the order you need and save the most important ones to your local profile.
JSON Formatter
Format and validate JSON.
Open toolSQL Formatter & Minifier
Use the sql formatter & minifier locally in your browser with clear validation and exportable results.
Open toolJavaScript Regex Tester Online
Test JavaScript regular expressions, flags, capture groups and replacements locally.
Open toolJWT Decoder Online
Decode JWT headers, payloads, claims and timestamps without verifying or uploading the token.
Open toolBase64 Encoder & Decoder
Encode and decode Unicode text with standard or URL-safe Base64.
Open toolURL Encoder & Decoder
Safely encode and decode complete URLs or URI components.
Open toolHash Generator
Generate SHA hashes from text directly in your browser.
Open toolJSON ↔ YAML Converter
Use the json ↔ yaml converter locally in your browser with clear validation and exportable results.
Open toolTips before you begin
- ✓Never paste real secrets or credentials.
- ✓Keep a copy of the original value.
- ✓Distinguish decoding from cryptographic verification.
- ✓Add automated tests for critical transformations.
Frequently asked questions
Does decoding a JWT validate its signature?
No. Reading the header and payload does not prove authenticity; verify the signature with the correct algorithm and key.
Is content sent to Tervix?
These utilities are designed to process content locally in the browser.
Related guides
JSON explained: how to validate, format and fix errors
Learn the rules of valid JSON, how to format it for readability, identify common syntax errors and validate its structure safely.
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