11 tools TEXT

Free Text & Data Tools

Format, convert, and transform structured text data entirely in your browser. Need to repair broken JSON pulled from a log, convert a CSV into JSON for a scripting pipeline, or encode binary as Base64? Every tool here processes your data locally and stores nothing.

Runs in browserNo signup requiredAI-enhanced

11 tools in this category

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LocalAI

JSON Formatter

Prettify, minify, and validate JSON data instantly.

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LocalAI

JSON Repair Tool

Repair and fix malformed JSON data from AI outputs and copy-paste.

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Local

Base64 Encode/Decode

Encode and decode Base64 strings, files, and data URIs instantly.

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Local

Text Diff Checker

Compare two text blocks and highlight exactly what changed.

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Local

Git Conflict Resolver

Visually resolve Git merge conflicts by picking current, incoming, or both versions.

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Local

Text Case Converter

Convert text between 20+ case formats: camelCase, snake_case, kebab-case, Title Case, and more.

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Local

Markdown Preview

Preview and render Markdown with GFM, math, Mermaid diagrams, and export options.

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Local

YAML Converter

Convert between JSON and YAML with validation, formatting, and multi-document support.

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LocalAI

CSV to JSON

Convert CSV/TSV to JSON and JSON to CSV with type inference and multiple output formats.

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Local

JSONL Converter

Convert between JSONL (JSON Lines) and JSON arrays. Auto-detects direction.

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Local

TOML Converter

Convert between TOML and JSON. Auto-detects direction from input format.

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Frequently Asked Questions

Are the text & data tools free?+

Yes, all text and data tools on DevFlow are completely free with no usage limits. JSON formatting, CSV and YAML conversion, Base64 encoding, and everything else runs directly in your browser.

Is my data safe when converting or formatting files?+

Yes. Every text and data tool processes your content client-side in your browser. Your JSON, CSV, or YAML never leaves your device, and DevFlow stores nothing.

What formats can I convert between?+

The text & data category covers JSON, YAML, CSV, JSONL, and TOML conversion, plus Base64 encode/decode, a text diff viewer, markdown preview, and text case conversion — all in one place.

Can I use these tools without signing up?+

Yes. All text & data tools work without an account. Open the tool you need, paste or upload your content, and start formatting or converting immediately.